All posts by william-davis

Diet by LDL

7. March 2012 William Davis (0)

Conventional notions of heart healthy diets, such as that advocated by the American Heart Association, are largely based on observations of total and LDL cholesterol.

So, cut the saturated fat in the diet, cut the overall fat content, and replace them with polyunsaturated oils like safflower, corn, and vegetable oils and increase consumption of whole grains and total and LDL cholesterol show a modest downturn. Thus, diets like the American Heart Association Total Lifestyle Change approach advocate limiting total fat to no more 25 to 35% of calories and saturated fat to no more than 7% of calories.

Orange Cream Cookies

5. March 2012 William Davis (5)

If you loved Creamsicles as a kid, you'll love these Orange Cream Cookies. (Sorry, no photo: We ate them up before I realized we hadn't taken the photo. And, worse, we did it twice!)

Ingredients:
2 cups almond meal
2 tablespoons coconut flour
1 teaspoon baking soda
½ teaspoon sea salt
¼ cup golden raisins
½ cup chopped pecans
Sweetener equivalent to 1 cup sugar
2 tablespoons finely-grated orange rind
1 large egg
2 tablespoons coconut oil, melted
½ cup whipping cream (or coconut milk)
1 tablespoon vanilla extract

Preheat oven to 350º F.

Combine almond meal, coconut flour, baking soda, salt, raisins, pecans, sweetener and orange zest in bowl and mix.

In separate bowl, whisk egg, then add coconut oil, whipping cream, vanilla extract and mix together. Pour wet mix into dry and blend by hand thoroughly.

Spoon onto parchment paper-lined baking pan (or oiled pan) and flatten with spoon to ½-¾ inch thickness. Bake for 20-25 minutes or until toothpick withdraws dry.

Why are heart attacks still happening?

4. March 2012 William Davis (10)

I'm a cardiologist. I see patients with heart disease in the form of coronary artery disease every day.

These are people who have undergone bypass surgery, received one or more stents or undergone other forms of angioplasty, have survived heart attacks or sudden cardiac death, or have high heart scan scores. In short, I see patients every day who are at high-risk for heart attack and death from heart disease.

But I see virtually no heart attacks. And nobody is dying from heart disease. (I'm referring to the people who follow the strategies I advocate, not the guy who thinks that smoking a pack of cigarettes a day is still okay, or the woman who thinks the diet is unnecessary because she's slender.)

Two high-profile deaths from heart attacks occurred this week:

Davy Jones--The iconic singer from the 1960s pop group, the Monkees, suffered sudden cardiac death after a large heart attack, just hours after experiencing chest pain.

Andrew Breitbart--The conservative blogger and controversy-generating media personality suffered what was believed to be sudden cardiac death while walking.

It's a darn shame and it shouldn't happen. The tools to identify the potential for heart attack are available, inexpensive, and simple. The strategies to reduce, even eliminate, risk are likewise available, inexpensive, and cultivate overall health.

The followers of the Track Your Plaque program who

1) get a heart scan that yields a coronary calcium score (for long-term tracking purposes)
2) identify the causes such as small LDL particles, lipoprotein(a), vitamin D deficiency, and thyroid dysfunction
3) correct the causes

enjoy virtual elimination of risk.

My letter to the Wall Street Journal: It's NOT just about gluten

8. February 2012 William Davis (7)

The Wall Street Journal carried this report of a new proposed classification of the various forms of gluten sensitivity: New Guide to Who Really Shouldn't Eat Gluten

This represents progress. Progress in understanding of wheat-related illnesses, as well as progress in spreading the word that there is a lot more to wheat-intolerance than celiac disease. But, as I mention in the letter, it falls desperately short on several crucial issues.

Ms. Beck--

Thank you for writing the wonderful article on gluten sensitivity.

I'd like to bring several issues to your attention, as they are often neglected
in discussions of "gluten sensitivity":

1) The gliadin protein of wheat has been modified by geneticists through their
work to increase yield. This work, performed mostly in the 1970s, yielded a form
of gliadin that is several amino acids different, but increased the
appetite-stimulating properties of wheat. Modern wheat, a high-yield, semi-dwarf
strain (not the 4 1/2-foot tall "amber waves of grain" everyone thinks of) is
now, in effect, an appetite-stimulant that increases calorie intake 400 calories
per day. This form of gliadin is also the likely explanation for the surge in
behavioral struggles in children with autism and ADHD.
2) The amylopectin A of wheat is the underlying explanation for why two slices
of whole wheat bread raise blood sugar higher than 6 teaspoons of table sugar or
many candy bars. It is unique and highly digestible by the enzyme amylase.
Incredibly, the high glycemic index of whole wheat is simply ignored, despite
being listed at the top of all tables of glycemic index.
3) The lectins of wheat may underlie the increase in multiple autoimmune and
inflammatory diseases in Americans, especially rheumatoid arthritis and
inflammatory bowel diseases (ulcerative colitis, Crohn's).

In other words, if someone is not gluten-sensitive, they may still remain
sensitive to the many non-gluten aspects of modern high-yield semi-dwarf wheat,
such as appetite-stimulation and mental "fog," joint pains in the hands, leg
edema, or the many rashes and skin disorders. This represents one of the most
important examples of the widespread unintended effects of modern agricultural
genetics and agribusiness.

William Davis, MD
Author: Wheat Belly: Lose the wheat, lose the weight and find your path back to health

60-year old man dies of high cholesterol

1. February 2012 William Davis (12)

Never saw a headline like this? Neither have I. That's because it doesn't happen.

Cholesterol doesn't harm, maim, or kill. It is simply used as a crude--very crude--marker. It is, in reality, a component of the body, of the cell wall, of lipoproteins (lipid-carrying proteins) in the bloodstream. It is used a an indirect gauge, a "dipstick," for lipoproteins in the blood to those who don't understand how to identify, characterize, and quantify actual lipoproteins in the blood.

Cholesterol itself never killed anybody, any more than a bad paint job on your car could cause a fatal car accident.

What kills people is rupture of atherosclerotic plaque in the coronary arteries. For all practical purposes, you must have atherosclerotic plaque in order for it to rupture (much like a volcano erupts and spews lava). It's not about cholesterol; it's about atherosclerotic plaque. Plaque might contain cholesterol, but cholesterol is not the thing itself that causes heart attack and death.

So why do most people obsess about cholesterol? Good question. It is, at best, a statistical marker for the possibility of having atherosclerotic plaque that ruptures. High cholesterol = higher risk for heart attack, low cholesterol = lower risk for heart attack. But the association is weak and flawed, such that people with high cholesterol can live a lifetime without heart attack, people with low cholesterol can die at age 43.The same holds true for LDL cholesterol, you know, the calculated value based on flawed assumptions about LDL's relationship to total cholesterol, HDL cholesterol, and VLDL cholesterol.

A crucial oversight in the world of cholesterol: There are many other factors that cause atherosclerotic plaque and its rupture, such as inflammatory phenomena, calcium deposition, artery spasm, hemorrhage within the plaque itself, degradative enzymes, etc., none of which are suggested by cholesterol measures.

But one observation has held up, time and again, over the past 40 years of observations on coronary disease: The greater the quantity of coronary atherosclerotic plaque, the greater the risk of atherosclerotic plaque rupture. An increasing burden of atherosclerotic plaque along the limited confines of coronary arteries, just a few millimeters in diameter and a few centimeters in length, is like a house of cards: It's bound to topple sooner or later, and the bigger it gets, the less stable it becomes.

If you are concerned about future potential for heart disease and heart attack, don't get a cholesterol panel. Get a measure of coronary atherosclerotic plaque.

Back to basics: Coronary calcium

30. January 2012 William Davis (42)

After having my attentions pulled a thousand different directions these past 6 months, with the release of Wheat Belly and all the wonderful media attention it has attracted, I've decided to pick up here with a series of discussions about the fundamental issues important to the Track Your Plaque program and prevention and reversal of coronary atherosclerotic plaque.

I fear the discussions at times have drifted off into the exotic. This is great because this is how we learn new lessons, but we can never lose sight of the basics, else we risk losing control over this disease.

Imagine you've got a beautiful new car. You wax it, gap the spark plugs, rotate the tires, etc. and it looks brand-new, just like it came off the dealer's lot. 50,000 miles pass, however, and you realize you've forgotten to change the oil. Ooops! In other words, no matter how meticulous the attention to transmission, tires, and paint job, neglect of the most basic responsibility can ruin the whole thing. We can't let that happen with heart health.

If we propose to reverse coronary atherosclerotic plaque, we've got to have something to measure. First, it tells us whether we have atherosclerotic plaque in the first place, the stuff that accumulates and blocks flow and causes anginal chest pains, and ruptures like a little volcano and causes heart attacks. Second, it gives us something to track over the years to know whether plaque has grown, stopped growing, or been reduced. Without such a measure, you will be driving without a speedometer or odometer, just guessing whether or not you've gotten to your destination.

Of course, the conventional approach to heart disease and heart attack is not to track atherosclerotic plaque in your coronary arteries, but to track some distant "risk factor" for atherosclerotic plaque, especially LDL cholesterol. But LDL cholesterol is flawed at several levels. First, it is calculated, not measured. The nearly 50-year old Friedewald equation used to calculate LDL cholesterol is based on several flawed assumptions, yielding a value that can be 20, 30, or 50% inaccurate as a rule, only occasionally generating a value close to the real value. (No point in publicizing this problem, of course: Why compromise a $27 billion annual cash cow?) It also ignores the effect of diet. (No, cutting fat does not reduce LDL for real, only the calculated value. Cutting carbohydrates, especially wheat--"healthy whole grains"--slashes measured LDL values like NMR LDL particle number and apoprotein B.)

But all risk factors are, at best, snapshots of the situation at that moment in time. They change from day to day, week to week, month to month, year to year. If you do something dramatic in health, like lose 50 pounds, you can substantially change your risk factors values, like LDL cholesterol and HDL cholesterol. But you may not modify the amount of atherosclerotic plaque in your heart's arteries.

Measuring the amount of atherosclerotic plaque in your heart's arteries is, in effect, a cumulative expression of the effects of risk factors up until the moment of measurement.

There are several stumbling blocks, however, in the concept of measuring coronary atherosclerotic plaque. We cannot measure all the unique components of plaque, such as fibrous tissue like collagen, or degradative enzymes like collagenases, or inflammatory proteins like matrix metalloproteinase, or the debris of hemorrhage and inflammation. We struggle to contemporaneously mix in measures of bloodborne inflammation, coagulation and viscosity, and physiological phenomena of the artery itself, like endothelial dysfunction, medial (muscle) tone, and adventitial fat.

So we are left with semi-static measures of total coronary atherosclerotic plaque like coronary calcium, obtainable via CT heart scans as a calcium "score." No, it is not perfect. It does not reflect that moment's blood viscosity, it does not reflect the inflammatory status of the one nasty plaque in the mid-left anterior descending, nor does it reflect the irritating sheer effects of a blood pressure of 150/95.

But it's the best we've got.

If anyone has something better, I invite you to speak up. Carotid ultrasound, c-reactive protein, ankle-brachial index, stress nuclear studies, myoglobin, skin cholesterol, KIF6 genotype . . . none of them approach the value, the insight, the trackability of actually measuring coronary atherosclerotic plaque. And the only method we've got to gauge coronary atherosclerotic plaque that is non-invasive and available in 2012? Yup, a good old CT heart scan calcium score.

Myocardial infraction

15. January 2012 William Davis (45)

I've seen a few heart attacks this past year . . . but none in the people who follow this program.

I saw a heart attack in a priest, a wonderful man who was unable to say "no" to his parishioners who insisted on bringing pies, cakes, and cookies every day.

I saw an impending heart attack in a 74-year old man, a football coach who thought the whole wheat-free, low-carb thing was some wacko trend. Four stents later, he's changed his mind.

A 69-year old woman had to be hospitalized for heart failure due to partial closure of an artery. She repeatedly told me that she simply could not follow the diet because it was "too restrictive."

There were a few others. Interestingly, all felt they were eating healthy, minimizing junk foods and avoiding fatty foods. None were wheat-free nor restricted carbohydrates.

In other words, in the people who follow the basic advice of the Track Your Plaque program to do such simple things as eliminate wheat, don't indulge in junk carbohydrates, normalize vitamin D status, supplement omega-3 fatty acids, supplement iodine and correct any thyroid dysfunction . . . well, they have no heart attacks.

Diet is superior to drugs

7. January 2012 William Davis (27)

Might-o’chondri-AL left this wonderful record of his lipoprotein experience in the comments to the last Heart Scan Blog post. It is a great example of what is achievable with diet and a few supplements . . . without drugs.

(A) Jan. 2011 1st ever NMR lipo-protein analysis was done after 4 months of consistent home food prep of pretty low fat (only olive oil and 1 tablespoon coconut oil daily) but plenty of whole wheat and half potatoes:
* LDL # of particles (P) = 1,676 in nmol/L————being a LDL cholesterol (C) reading of 139 mg/dL
* small LDL # P = 1,021 nmol/L —————yikes! you advise smLDL be less than 117 nmol/L
* HDL # of particles = 28.8 umol/L ————–being a HDL C reading of 45 mg/dL
* Triglycerides = 90 mg/dL ————– true, I never struggled with my weight

(B) May 2011 2nd NMR after another 4 months but added in more fat (1 teaspoon highly concentrated fish oil daily, 90% chocolate, handfulls of nuts, more olive oil and kept coconut oil at 1 tablespoon daily for a controlled experiment), added 500 mg Niacin 3 times a day (in stages up to1,500 mg. total daily), 6000 IU daily vitamin D, deliberately cut out all grains except for social politeness and substituted in daily Koji fermented brown rice (rustic Amazake):
** LDL # P……………= 976 nmol/L ——————————– being LDL C of 100 mg/dL
** small LDL # P …. = 96 nmol/L ——————————– nice surprise
** HDL # P ………… = 27.3 umol/L ——————————being an increase to HDL C of 64 mg/dL
** Triglycerides …… = 42 mg/dL ——————————– despite daily carbs over 150 gr. daily

(C) Dec. 2011 3rd NMR after another 7 more months thinking Doc’s advice is worthwhile I added in yet more fat (mainly daily 2 tablespoons of coconut oil, more 90% chocolate), bumped Niacin up to 1,000 mg twice a day (2,000 mg. total daily), cut out the Amazake, kept up the vitamin D adding daily vitamin K & daily ate main mid-day meal out as lunch on spicy Thai & Chinese fish/shrimp/soup/rice meals (my next control):
*** LDL # P ………. = 764 nmol/L ————— being LDL C of 107 mg/dL ( 2x coconut’s saturated fat)
***small LDL # P… = less than 90 nmol/L ——–surprised me NMR can’t count lower
***HDL # P ……… = 41.4 umol/L ——————– being an increase to HDL C of 88 mg/dL
*** Triglycerides ….= 43 mg/dL ——————- daily carbs below ~ 120 gr. & lost too much weight

Isn't that great? Spectacular job, Might!

MIght achieved values that are superior to that achievable with, say, a high-dose statin strategy. Statins only reduce total LDL particles, reducing small LDL in a non-selective way. And, of course, this diet does not cause muscle aches, memory loss, nor liver problems.

Something to consider: As the diet has become so effective, we can reduce our reliance on niacin. In fact, the benefits of niacin diminish substantially, as small LDL is reduced, HDL increased, triglycerides decreased, and postprandial lipoproteins subdued with the diet only.

Low-carb is heart healthy

4. January 2012 William Davis (88)

Anybody following the discussions in these pages know that: Limiting carbohydrate intake reduces risk for coronary heart disease and heart attack.

First of all, why do conventional diets advocate restricting saturated and total fat? From the standpoint of surrogate markers of cardiovascular risk, cutting saturated and total fat reduces total cholesterol; reduces calculated LDL cholesterol; and may reduce c-reactive protein modestly (an index of inflammation). It also increases blood sugar and HbA1c (reflecting the prior 60 days blood sugars), increases glycation of the proteins of the body leading to cataracts, arthritis, and hypertension.

Problem: Total cholesterol is a combination of HDL cholesterol, an estimate of VLDL cholesterol (triglycerides), and LDL cholesterol. It is a composite of both "good" things (HDL) and "bad" things (LDL and VLDL). Cutting saturated and total fat results in reduced HDL, increased VLDL/triglycerides, and a reduction in calculated LDL. Pretty weak stuff. The last item, i.e., reduction in calculated LDL, is not even a real phenomenon. In fact, the net effect in most genotypes (genetic types) may be negative: increased heart disease risk.

In contrast, what is the effect of reducing carbohydrate without restricting fat? (In the approach I use, we start with elimination of the most destructive of carbohydrates, wheat, followed by reducing exposure to other carbohydrates, especially cornstarch and corn products, sugar, and oats.) If, say, we cut carbohydrate intake into the range of a truly low-carbohydrate diet of 10-15 grams per meal ("net" carbs, or total carbohydrates minus fiber), then we witness a number of metabolic transformations:

Reduced fasting triglycerides and VLDL
Reduced postprandial (after-eating) triglycerides, chylomicrons, and chylomicron remnants
Increased HDL and shift towards large HDL particles (presumably more protective)
Reduced small LDL particles
Reduced glycation and oxidation of small LDL particles
Reduced hemoglobin A1c
Reduced c-reactive protein and other inflammatory markers
Reduced blood pressure

By slashing carbohydrates, we also witness weight loss from visceral fat, reversal of pre-diabetes and diabetes, and reduced phenomena of glycation. And, if the wheat-free part of low-carb is maintained, you can also see marked improvement in gastrointestinal health, relief from joint pains, relief from leg edema, relief from migraine headaches, improved behavior and ability to concentrate in children with impaired learning, ADHD, and autism, better mood, deeper sleep. You will see multiple inflammatory and autoimmune diseases improve or completely relieved, such as rheumatoid arthritis and ulcerative colitis.

Having personally gone down the diabetic path and back by cutting the fat in my diet, now maintaining a HbA1c of 4.8% with fasting glucose 84 mg/d; (without medications), there should be no remaining doubt: Low-carb diets, especially if wheat-free, dramatically reduce the factors leading to heart disease; low-fat diets worsen the factors leading to heart disease.

Mocha Walnut Brownies

1. January 2012 William Davis (11)

Richer than a cookie, heavier than a muffin, brownies are ordinarily an indulgence that leaves you ashamed of your lack of restraint. Have one . . . or two or three, and you will surely pack on a pound of belly fat.

But these mocha walnut brownies, as with other recipes I provide, will not pack on the pounds. With no wheat to trigger appetite, nor any readily-digestible carbohydrate to generate blood sugar highs and lows, you can have a nice brownie or two or three and nothing bad happens: You don’t send blood sugar sky-high, don’t trigger formation of small LDL particles and triglycerides, you don’t trigger appetite, you don’t gain a pound of belly fat. You simply have your brownie(s) and enjoy them.

Serve these brownies plain or topped with cream cheese, natural peanut or almond butter, or dipped in coffee.

Ingredients:
8 ounces unsweetened baking chocolate (100% chocolate)
4 tablespoons coconut oil or butter, melted
2 large eggs, separated
½ cup coconut milk (or sour cream)
2 teaspoons vanilla extract
2 cups ground almonds
2 tablespoons coconut flour
1 cup chopped walnuts
¼ cup unsweetened cocoa powder
2 teaspoons instant espresso
Sweetener equivalent to 1 cup sugar or to taste (e.g., liquid stevia, Truvía, erythritol)

Preheat oven to 350º F.

Melt chocolate using double boiler method or in 15-second increments in microwave. Stir in melted coconut oil or butter.

In small bowl, beat egg whites until frothy. Add egg whites, egg yolks, coconut milk, and vanilla extract to chocolate mixture and mix thoroughly by hand.

In separate bowl, combine ground almonds, coconut flour, walnuts, cocoa powder, espresso, and sweetener. Mix thoroughly.

Add dry mix to chocolate mix and mix together thoroughly. If dough is too stiff, add additional coconut milk, one tablespoon at a time.

Place mixture in 9-inch baking pan and bake for 25 -30 minutes or until toothpick withdraws dry.

All posts by william-davis

Why does wheat cause arthritis?

13. November 2010 William Davis (48)

Wheat causes arthritis.

Before you say "What the hell is he saying now?", let me connect the dots on how this ubiquitous dietary ingredient accelerates the path to arthritis in its many forms.

1) Wheat causes glycation--Glycation is glucose-modification of proteins in the body that occurs when blood glucose exceeds 100 mg/dl. Cartilage cells are especially susceptible to glycation. The cartilage cells you had at age 18 are the very same cartilage cells you have at age 60, since they lack the ability to reproduce and repair themselves. Proteins in cartilage are highly susceptible to glycation, which makes them stiff and brittle. Stiff, brittle cartilage loses its soft, elastic, lubricating function. Damaged cartilage cells don't regenerate nor produce more protective proteins. This allows destruction of cartilage tissue, inflammation, and, eventually, bone-on-bone arthritis.

Because wheat, even whole wheat, sends blood sugar higher than almost all other foods, from table sugar to Snickers bars, glycation occurs after each and every slice of toast, every whole wheat bagel, every pita wrap.

2) Wheat is acidifying--Humans are meant to consume a diet that is net alkaline. While hunter-gatherers who consume meat along with plentiful vegetables and fruits live a net alkaline diet (urine pH 7 to 9), modern humans who consume insufficient vegetables and too much grain (of which more than 90% is usually wheat) shift the body towards net acid (urine pH 5 to 7). Wheat is The Great Disrupter, upsetting the normal pH balance that causes loss of calcium from bones, resulting in decalcification, weakness, arthritis and osteoporotic fractures.

3) Wheat causes visceral fat--The extravagant glucose-insulin surges triggered by wheat leads to accumulation of visceral fat: wheat belly.

Visceral fat not only releases inflammatory mediators like tumor necrosis factor and various interleukins, but is also itself inflamed. The inflammatory hotbed of the wheat belly leads to inflammation of joint tissues. This is why overweight and obese wheat-consuming people have more arthritis than would be explained by the burden of excess weight: inflammation makes it worse. Conversely, weight loss leads to greater relief from arthritis pain and inflammation than would be explained by just lightening the physical load.

We need a name for this wheat effect. How about "bagel bones"?

Why do morphine-blocking drugs make you lose weight?

10. November 2010 William Davis (24)

Naloxone (IV) and naltrexone (oral) are drugs that block the action of morphine.

If you were an inner city heroine addict and got knifed during a drug deal, you'd be dragged into the local emergency room. You're high, irrational, and combative. The ER staff restrain you, inject you with naloxone and you are instantly not high. Or, if you overdosed on morphine and stopped breathing, an injection of naloxone would reverse the effect immediately, making you sit bolt upright and wondering what the heck was going on.

So what do morphine-blocking drugs have to do with weight loss?

An odd series of clinical studies conducted over the past 40 years has demonstrated that foods can have opiate-like properties. Opiate blockers, like naloxone, can thereby block appetite. One such study demonstrated 28% reduction in caloric intake after naloxone administration. But opiate blocking drugs don't block desire for all foods, just some.

What food is known to be broken down into opiate-like polypeptides?

Wheat. On digestion in the gastrointestinal tract, wheat gluten is broken down into a collection of polypeptides that are released into the bloodstream. These gluten-derived polypeptides are able to cross the blood-brain barrier and enter the brain. Their binding to brain cells can be blocked by naloxone or naltrexone administration. These polypeptides have been named exorphins, since they exert morphine-like activity on the brain. While you may not be "high," many people experience a subtle reward, a low-grade pleasure or euphoria.

For the same reasons, 30% of people who stop consuming wheat experience withdrawal, i.e., sadness, mental fog, and fatigue.

Wouldn't you know that the pharmaceutical industry would eventually catch on? Drug company startup, Orexigen, will be making FDA application for its drug, Contrave, a combination of naltrexone and the antidepressant, buproprion. It is billed as a blocker of the "mesolimbic reward system" that enhances weight loss.

Step back a moment and think about this: We are urged by the USDA and other "official" sources of nutritional advice to eat more "healthy whole grains." Such advice creates a nation of obese Americans, many the unwitting victims of the new generation of exorphin-generating, high-yield dwarf mutant wheat. A desperate, obese public now turns to the drug industry to provide drugs that can turn off the addictive behavior of the USDA-endorsed food.

There is no question that wheat has addictive properties. You will soon be able to take a drug to block its effects. That way, the food industry profits, the drug industry profits, and you pay for it all.

Heart scan tomfoolery 2

9. November 2010 William Davis (2)

In the last Heart Scan Blog post, I discussed the significance of the apparent discrepancy between Steve's heart scan score and volume score. This post addresses his second question, also a FAQ about heart scan scores.

Steve noted that his second scan compared to his first showed:

- Left Main volume went up from 22.4 to 35.6
- LAD went down from 95.2 to 91.3
- LCX volume went down from 23.2 to 0
- RCA volume went up from 0 to 9.3

So there are apparent divergences in behavior in the left main that increased and both LAD (left anterior descending) and LCX (left circumflex) that decreased.

The explanation is simple: When heart scans are "scored," they are viewed in horizontal "slices." When the heart is viewed as horizontal slices, the LAD and LCX originate from the common left main stem. In other words, it's like a tree with the left mainsteam representing the trunk, the LAD and LCX representing two main branches.

Plaque can form, obviously, in all three arteries, but it can do so by starting in the left main, for instance, and extending into either the LAD or LCX, or both. The left main plaque can therefore bridge any 2 or all 3 arteries.

When the plaque is "scored" by taking the computer mouse and circling the calcified plaque in question (to allow the computer program to generate the calcium score and volume score of that particular plaque), the plaque that may extend from left main into the LAD and/or LCX might be labeled "left main," or it might be labeled "LAD" or "LCX." There is no reliable way to "dissect" apart the plaque into the three arteries, since the plaque is coalescent and continuous. So the scoring technologist or physician simply arbitrarily declares the artery "LAD," for instance.

The problem comes when two different interpretation methods are used: Perhaps it's a new technologist or physician, or there was no attention paid to how the previous scan was read. One reader calls it "left main" and the next calls it "LCX."

So the apparent discrepancy has to do with flaws in the methods of segregating plaque location, as well as inattention to scoring techniques. The total score, however, remains unaffected.

Nonetheless, Steve has enjoyed a modest reduction in the score of the left main/LAD/LCX from his original 140.8 down to a second left main/LAD/LCX score of 126.9.

The right coronary artery (RCA), however, is not subject to this difficulty and Steve score shows a modest increase in score. (Why the divergent behavior between left main/LAD/LCX and RCA? There is no clear explanation for this, unfortunately.)

All in all, the news for Steve is good: He achieved these results on his own using nutritional techniques. Because he, in all practicality, stopped the progression of his heart scan score and avoided the "natural" rate of increase of 30% per year, all he needs to do is "tweak" his program a bit to achieve reversal, i.e., reduction of score.

Here's an image from another previous Heart Scan Blog post (about the relationship of osteoporosis and coronary disease) that shows such a plaque that starts in the left mainstem yet extends into both the LAD and LCX:

Heart scan tomfoolery

4. November 2010 William Davis (12)

Heart Scan Blog reader, Steve, sent these interesting questions about his heart scan experience. (I sometimes forget that this blog is called "The Heart Scan Blog" and was originally--several years ago--meant to discuss heart scans. It has evolved to become a much broader conversation.)

The answers are a bit lengthy, so I'll tackle Steve's questions in two parts, the second in another blog post.

Dr. Davis,

I had a heart scan last year. The score was 96. While not a horrible score, it
was a wake up call, and I changed my lifestyle.

I had another scan this year and the heart scan score went up to 105, but the
volume score went down from 141 to 136.

The report I received said this:

'The calcium volume score is less in the current study as compared with the
original or reference study. This is an excellent coronary result and indicates
that there has been a net decrease in coronary plaque burden. The current
prevention program is very effective and should be continued.'

This is all well and good, but I have two questions:

1. Am I really going in the right direction even though the heart scan score
went up 9%?

2. Here are results that make no sense to me:
- Left Main volume went up from 22.4 to 35.6
- LAD went down from 95.2 to 91.3
- LCX volume went down from 23.2 to 0
- RCA volume went up from 0 to 9.3

Why would there be so much variation from year to year, and why would the plaque
move from site to site?

Steve

Questions like Steve's come up with some frequency, so I thought it would be worthwhile to discuss in a blog post.

First of all, the conventional heart scan score, or "calcium score" or "Agatston score" (after Dr. Arthur Agatston, developer of the simple algorithm for calcium scoring, as well as South Beach Diet fame), is the product of the area of the plaque in a single CT "slice" image
multiplied by a density coefficient, i.e., a number ranging from 1 to 4 that grades the x-ray density of the plaque. (1 is least dense; 4 is most dense.) A density coefficient of 1 therefore signifies some calcium within plaque, with higher density coefficients signifying increasing calcium content and density. Incidentally, "soft" plaque, i.e., non-calcified, would fall in the less than 1 range, even the negative range (fatty tissue within plaque).

The volume, or "volumetric," score is the brainchild of Drs. Paulo Raggi and Traci Callister, who expressed concern that, if we cause plaque to shrink in volume, the density coefficient used to calculate the calcium score would increase (since they believed that calcium could not be reduced, contrary to our Track Your Plaque experience, thereby leading to misleading results. They therefore developed an algorithm that did not rely on density coefficients, but used the same two-dimensional area obtained in the standard heart scan score, but replaced the density coefficient with a (mathematically interpolated) vertical axis (z-axis) measure of plaque "height." This 3-dimensional volumetric value therefore provided a method to generate a measure of calcium volume. In their original publication, the volume score proved more reproducible than the standard calcium score. This way, any reduction in plaque volume would not be influenced by the misleading effects of calcium density, but reflect a real reduction in volume.

Callister and Raggi's study also highlighted that calcium scoring in any form is subject to variability. Back in 1998 (when their study was published), there was a bit more variation than today due to the image acquisition methods used. But, even today, there is about 9% variation in scoring even if performed repeatedly (with less percentage variation the higher the score).

Unfortunately, volume scoring never caught on and the calcium score has been the most commonly used value by most heart scan centers and in most clinical studies. And, in all practicality, the two values nearly always track together: When calcium score increases, volume score increases in tandem; when calcium score decreases, volume score decreases in tandem.

Steve is therefore an exception to the general observation that calcium score and volume score travel together. Steve's calcium score increased, while his volume score decreased. From the above discussion, you can surmise a few things about Steve's experience:"

1) In all likelihood, the changes in both calcium score and volume score could simply be due to variability, i.e., variation in the placement of his body on the scan table, variation in position of the heart, variation in data acquisition, etc. There is a high likelihood that neither value changed; both are essentially unchanged.

2) If the changes are not due to scan variability, but are real, then it could be that the calcified plaque is reduced in volume but increased in density. If true, this is probably still a favorable phenomenon, since plaque volume is a powerful predictor of coronary "events" and an increase in plaque density is likely a benign phenomenon. It would also raise questions about the adequacy of vitamin D and vitamin K2 status, both major control factors over calcium deposition and metabolism.

So, in all likelihood, Steve's apparent discrepant results are modest good news, especially since calcium scores can ordinarily be expected to increase at the rate of 30% per year if no action is taken. Experiencing no change in score, calcium or volumetric, carries a very excellent prognosis, with risk for heart attack approaching zero. (I'm impressed that Steve accomplished this on his own, something the majority of my colleagues haven't the least bit of interest doing.)

Part 2 of Steve's question will be tackled in a separate post.

Can I see your linea alba?

2. November 2010 William Davis (19)

As more and more people are eliminating wheat from their diet and losing their "wheat bellies," i.e., the muffin top around their waists along with the visceral fat beneath, I am frequently seeing something I haven't seen in years: the linea alba.

Linea alba, or "white line," refers to the band of connective tissue running vertically from sternum to pubic area. It underlies the depression that separates the horizontal abdominal rectus muscles of the "six pack" abdomen.

It's like digging in your closet and finding something you thought you'd lost years earlier. Surprise! It's been there all along. Buried deep beneath the abdominal fat from dozens of deep-crust pizzas, whole wheat pasta, and whole grain sandwiches is this pleasing anatomical feature long lost from most peoples' anteriors.

Can you see your linea alba?

Dwarf mutant wheat

31. October 2010 William Davis (13)

Here's my 12-year old standing next to dwarf wheat grown near my house. The wheat is full-grown, harvested about 2 weeks after I took this photo.

Wheat is no longer the 4-foot tall "amber waves of grain" of the 20th century. Over 99% of all wheat grown worldwide is now the 18- to 24-inch tall dwarf. New size, new biochemistry, new effects on humans. I call it dwarf "mutant" wheat despite its lack of extra limbs or eyes because of the dramatic transformation required to breed this unique synthetic plant.

Short-stature means less stalk, faster growing. The stockier stalk also means that the heavy seed head won't cause the plant to "buckle," as 4-foot tall wheat used to.

The thousand-plus proteins of wheat that have been transformed to generate this dwarf mutant also changed wheat's relationship to consuming humans.

Medical education in the days of Big Pharma

30. October 2010 William Davis (43)

I received this detailed email from an unexpected source: a 3rd-year medical student.

In her email, Theresa describes her frustrations in what she is witnessing for the first time, proceeding through her training and getting exposed to the realities of medical life.

Medical training, particularly clinical training from the 3rd and 4th years of medical school, onwards through internship, residency, and fellowship training, consists largely of bullying, "pimping" (meaning rapid-fire grilling of questions at trainees), and sleep deprivation. It is an extended hazing period meant to demoralize and inculcate the trainee into following the lead of superiors. Buck the system and you're . . . out. Imagine you've just sunk $190,000 and 8 years of college into getting to your internship. You are not going to chance being thrown out on principle. So you just swallow your pride, go along with the game, and echo all the answers they want you to repeat.

While Theresa laments the sad state of modern American pharmaceutical- and procedure-obsessed medicine, she provides me with hope that some young people training to practice medicine today will carve out their own paths, not the one laid for them by the pharmaceutical industry, nor fall for the temptation of higher-paying procedural specialties like orthopedics and cardiology. I am impressed with her ability to see this so early in her career.

Dr. Davis,

I am a 3rd year medical student at ________ University. I came across
your blog today, and I'm very glad I did. I appreciate the value of your time,
so I want to be as succinct as possible while still getting across what I'm
really thinking and feeling:

From what I gathered exploring your blog for a while this afternoon, the
wellness strategies you incorporate into your practice are some of the exact
things I want to do with my future patients. Personally, I strongly believe in
staying healthy by eating right, staying active, etc. For instance, I don't eat
grains or much in the way of starches and sugars. So I love the fact that you
are helping your patients make these powerful and foundational changes in their
lives.

As I'm sure was your experience, a full appreciation of nutrition and lifestyle
as a first-line health strategy is not something that was taught to me in
medical school. I came to school with this deep conviction already in my heart
and mind, and now, on my 3rd year rotations, I am still conflicted and at a loss
as to how I'm going to be able to practice medicine the way I want to, which is
to incorporate these all-important principles into the care of my patients.

What I've come to understand about the medical field today is that the
information that exists is primarily subsidized by the pharmaceutical industry,
and dictated to medical professionals as "evidence-based" treatment guidelines
and recommendations by organizations with sincere and official sounding names
like American Heart Association and American Cancer Society. Add to that the
pressure of potential malpractice litigation and the complexities of the
insurance reimbursement game, and it seems to me like what you get is a bunch of
diagnostic and medication management algorithms that any half-trained monkey
could follow. In his sleep. Which I guess would be alright if at least they
weren't algorithms based on misguided, self-serving, profit-seeking Big Pharma,
Food Inc, insurance conglomerates, and agri-politics (I think I just made that
word up.)

A lot of well-intentioned physicians are just parroting the party
line, as their patients dutifully and gratefully chomp down their statins and
diabetes drugs and blood pressure pills. And I'm sorry, but "diabetes
education" programs with curriculum put together by drug companies? How is that
even legal? Massive corporations raking in massive profits that are dependent
on uncontrolled blood sugars telling people how to best control their blood
sugars?!

Anyway, forgive my rant. What I'm getting at is this: How can I practice
medicine, with the freedom to educate/coach/treat my patients with diet and
lifestyle changes to mitigate/reverse their chronic health conditions? Without
feeling like I automatically have to first and foremost prescribe the litany of
drugs dictated by "evidence-based" guidelines? Without excessive fear of
litigation or loss of credibility among my peers? Without having to lie through
my teeth to my patients, and tell them that eating low-fat and heart-healthy
whole grains is the best way (implication also being the only scientifically
proven way) to control their diabetes, lower their cholesterol, etc, etc, etc?

I want my patients to have the full benefit of honest nutrition and lifestyle
information, and medications and surgery as necessary. I'm afraid that there
isn't room for this kind of holistic emphasis in the medical profession today.
Are there residencies that include this kind of training or at least respect
these "unconventional" philosophies? Are there clinics or practice groups that
would allow me to practice with this emphasis, or is there a bias against docs
who do not necessarily conform to the party position? Will I have no other
option but to go it alone under the auspices of my own shingle? How do you
handle these kinds of issues in your professional life?

Sincerely,
Theresa M.

A ray of hope! Perhaps Theresa is just the first among many more medical students who refuse to submit to the brainwashing practices of the pharmaceutical industry, the same mind manipulation that has hopelessly turned most of my colleagues into their unwitting puppets.

I'll be interested in watching how Theresa's experience unfolds. I've asked her to keep us informed every so often.

The Great Low-Carb Connector

28. October 2010 William Davis (15)

The effusive Jimmy Moore of Livin' La Vida Low-Carb asked me to help get the word out about his new podcast subscription service, The Livin' La Vida Low-Carb Show Fan Club.

Jimmy has been The Great Connector for the low-carb discussion, from his ubiquitous online and social media presence, to his annual low-carb cruise. He has also broadcast first class interviews of nutritional notables like Gary Taubes, Dr. Robert Lustig, and blogger Stephan Guyenet. His Fan Club expands listener involvement in the podcast process and, potentially, greater access to his guests:

My faithful listeners have long been asking me about how they can become even more engaged in the behind-the-scenes workings of the show to get the inside scoop about what’s coming next. I’ve heard people ask specifically for access to transcripts of the most popular podcasts, a listing of the interviews I’m currently working on with the ability to ask questions of those guests, to have sneak peek of audio from not-yet-released interviews and more. My amazing podcast producer, Kevin Kennedy-Spaein, and I have been discussing how to best do this for a while in an effort to meet the demands of our biggest fans and we think we’ve got just the answer for you. Introducing The Livin’ La Vida Low-Carb Show Fan Club!

This is for all intents and purposes the quintessential destination for people who can’t get enough of this podcast that goes much deeper than discussion about the low-carb lifestyle. Yes, I speak with a lot of people who are supporters of carbohydrate-restricted diets, but I also talk with fitness gurus, people who support alternative eating plans, those who have interesting theories and beliefs regarding health and much more. Wouldn’t you love to have a chance to know who’s coming up in my schedule to be able to ask them questions BEFORE I interview them? Keep in mind that my interviews are pre-recorded and air sometimes as much as 5-6 months afterwards. Members of the “fan club” would know all about who’s coming and likely will have their question asked on the air just for signing up to be a part of this exciting new addition to “The Livin’ La Vida Low-Carb Show.”

Jimmy is the guy who is bringing this disparate and widely-spread community together. He's the guy we all know, he knows "everybody." I'm looking forward to seeing how this new project makes a more involved, personal delivery of interaction possible.

New Track Your Plaque record!

27. October 2010 William Davis (19)

The record for the largest drop in heart scan score (by percentage of starting score) has been held for around three years, with 63% reduction in score.

Well, the longstanding record was broken this week: 75% reduction in score.

At the start, Freddie has disastrous lipid values:

LDL cholesterol 263 mg/dl
HDL 26 mg/dl
Triglycerides 323 mg/dl
Total cholesterol 354 mg/dl

Lipoproteins (NMR) were worse:

LDL particle number 3360 nmol/L
Small LDL 2677 nmol/L

Heart scan score: 732

Interestingly, Freddie had virtually no vitamin D in his body, with a 25-hydroxy vitamin D level that was unmeasurable.

Freddie was miserably intolerant to statin drugs, with even the smallest dose resulting in intolerable muscle aches. That's when his doctor sent him to me.

Because I felt that the dominant abnormality in Freddie's lipids and lipoproteins was small LDL particles, representing 80% of total LDL particle number, we focused his program on correcting this parameter. Freddie's program was therefore focused elimination of wheat, cornstarch, oats, and sugars, along with an eventual vitamin D dose of 20,000 units to finally achieve a 25-hydroxy vitamin D level of 66 ng/ml. No statin drug in sight.

43 lbs of weight loss and 18 months later, a second heart scan score: 183--a 75% reduction.

While the rest of the world continues to insist that coronary calcium (heart scan) scores cannot be reduced, I am seeing records being broken. I add Freddie's experience to the rapidly growing list of people who have not just stopped coronary plaque from growing, but are seizing control and reducing it, sometimes to dramatic degrees.

The Anti-AGEing Diet

22. October 2010 William Davis (36)

Advanced Glycation End-products, AGEs, are a diverse collection of compounds that have been associated with endothelial dysfunction, cataracts, kidney disease, and atherosclerosis in both animal models and human studies. Not all involve glycation nor glucose, but the catch-all name has stuck.

There are a number of actively-held theories of aging, such as the idea that aging is the result of accumulated products of oxidative injury; a genetically pre-programmed script of declining hormones and other phenomena; genetic "mis-reading" that results in disordered gene expression, debris, and uncontrolled cell proliferation (e.g., cancer); among others.

One of the fascinating theories of aging is, cutely, the AGEing theory of aging, i.e., the accumulation of AGE debris in various tissues. Such AGEs have been recovered in lenses from the eyes, atherosclerotic plaque in arteries, kidney and liver tissue, even brain tissue of people with Alzheimer's dementia. AGEs perform no known useful physiologic function: They are relatively inert once formed (especially polymeric AGEs), they do not participate in communication, they make no contribution of significance. They simply gum up the works--debris. (AGEs are to health as the USDA food pyramid is to dietary advice: material for the junkyard.)

There are two general ways to develop AGEs:

1) Endogenous--High blood glucose (any blood sugar above 100 mg/dl) will permit glycation of the various proteins of the body. The higher the blood glucose, the more glycation will proceed. Glycation also occurs at low velocity at blood glucose levels below 100 mg/dl, though this would therefore represent the "normal," expected rate of glycation. Endogenous glycation explains why people with diabetes appear to age and develop all the phenomena of aging faster than non-diabetics (kidney disease, eye diseases, atherosclerosis, dementia, etc.). Hemoglobin A1c, HbA1c, is a readily-obtainable blood test that can show how enthusiastically you have been glycating proteins (hemoglobin, in this case) over the last 2 to 3 months.

A low-carbohydrate diet is the nutritional path that limits endogenous glycation leading to AGE formation. Restricting the most obnoxious carbohydrates, the ones that increase blood sugar the most, such as wheat, cornstarch, rice starch, potato starch, tapioca starch, and sucrose, will limit endogenous AGE formation.

2) Exogenous--AGEs (here especially is where the "AGE" label is misleading, since many other reactions besides glycation lead to such compounds) are formed with cooking at high temperatures, especially meats and animal products. Therefore, a rare steak will have far less than a well-done steak. A thoroughly baked piece of salmon will have greater AGE content than sashimi.

The forms of cooking that increase AGE content the most: roasting,deep-frying, and barbecuing. Temperatures of 350 degrees Fahrenheit and greater increase AGE formation.

Therefore, cooking foods at lower temperature (e.g., baking, sauteeing, or boiling), eating meats rare whenever possible (not chicken or pork, of course), eating raw foods whenever possible (e.g., nuts) are all strategies that limit exogenous AGE exposure. And minimize or avoid butter use, if we are to believe the data that suggest that it contains the highest exogenous AGE content of any known food.

If we connect the dots and limit exposure to both endogenous and exogenous AGEs, we will therefore not trigger this collection of debris that is likely associated with disease and aging. So following a low-AGE diet may also be an anti-aging strategy.

The New Track Your Plaque Diet, soon to be released on the Track Your Plaque website, has incorporated strategies to limit both endogenous as well as exogenous AGEs.

All posts by william-davis

High blood pressure vanquished

19. January 2011 William Davis (28)

Heart Scan Blog reader, Eric, related his blood pressure success story to me:

I'm 34 and have been battling chronic hypertension (systolic 150-200, depending on my anxiety levels) even with multiple prescriptions for over a decade now. I've seen four different cardiologists, all stumped as to what is causing my hypertension. First, they suspected coarctation of my aorta [a constriction in the aorta], but an angiogram determined blood pressure readings were the same on both sides of the narrowing.

The second angiogram performed last year to determine if my coarct had worsened determined that it had not, but that my aorta had calcium build up. The cardiologist was stumped because he told me he hasn't seen calcium in a patient so young. Needless to say, this scared me to death, with my wife being pregnant with our first child. I asked if it could be reversed and he didn't know so he sent me to get a Berkeley lab.

The Berkeley came back with LDL 91, HDL 41, Triglycerides 73, CRP 4.1, vit D 26. The doctors weren't very knowledgeable about explaining to me what these meant and how I could correct the low vit D and high CRP. They told me to follow the low-fat diet recommended by Berkeley. Well I've already tried the DASH diet and didn't like how I felt or my energy levels, so I didn't transition.

I was at a loss until I encountered your blog and it was truly a gift. It was a refreshing feeling to meet a knowledgeable Dr. who knew what I was going through and seems to truly care about reversing calcium in the heart (something I never got from my any of my cardiologists). With your blog I have an appointment to get a heart scan here in CO and take that number along with my Berkeley results and join Track Your Plaque.

For the past 2 weeks I've been following your advice by taking a D3+K2 supplement with Omega3 Fish oil and avoiding all grain, wheat, sugar and I'm already down 4lbs to 223.5lbs at 6'5" tall and my blood pressure readings have been 128/54 and 129/60 the past 2 days! With your help I may not have the dark future my father had: dead at 48 with a massive heart attack.

Stay on the look out because I look forward to telling you how I'm one of your top calcium losers!

Eric, Colorado

Conventional medical care fails at so many levels for so many people. While Eric's doctors were busy contemplating the next angiogram, they were neglecting several crucial aspects of his health.

It's really not that tough. But it can mean doing the opposite of what conventional "wisdom" tell us.

DHEA and Lp(a)

16. January 2011 William Davis (25)

DHEA supplementation is among my favorite ways to deal with the often-difficult lipoprotein(a), Lp(a).

DHEA is a testosterone-like adrenal hormone that declines with age, such that a typical 70-year old has blood levels around 10% that of a youthful person. DHEA is responsible for physical vigor, strength, libido, and stamina. It also keeps a lid on Lp(a).

While the effect is modest, DHEA is among the most consistent for obtaining reductions in Lp(a). A typical response would be a drop in Lp(a) from 200 nmol/L to 180 nmol/L, or 50 mg/dl to 42 mg/dl--not big responses, but very consistent responses. While there are plenty of non-responders to, say, testosterone (males), DHEA somehow escapes this inconsistency.

Rarely will DHEA be sufficient as a sole treatment for increased Lp(a), however. It is more helpful as an adjunct, e.g., to high-dose fish oil (now our number one strategy for Lp(a) control in the Track Your Plaque program), or niacin.

Because the "usual" 50 mg dose makes a lot of people bossy and aggressive, I now advise people to start with 10 mg. We then increase gradually over time to higher doses, provided the edginess and bossiness don't creep out.

The data documenting the Lp(a)-reducing effect of DHEA are limited, such as this University of Pennsylvania study, but in my real life experience in over 300 people with Lp(a), I can tell you it works.

And don't be scared by the horror stories of 10+ years ago when DHEA was thought to be a "fountain of youth," prompting some to take megadose DHEA of 1000-3000 mg per day. Like any hormone taken in supraphysiologic doses, weird stuff happens. In the case of DHEA, people become hyperaggressive, women grow mustaches and develop deep voices. DHEA doses used for Lp(a) are physiologic doses within the range ordinarily experienced by youthful humans.

No more cookies

15. January 2011 William Davis (13)

Jeanne enjoyed her Christmas holidays. She especially liked sharing the cookies she made for her grandchildren, sneaking 2 or 3 every day over a couple of weeks. On top of this, she enjoyed the Christmas candy, egg nog, leftover stuffing and cranberry sauce, topped off with a night of nutritional debauchery on New Year's Eve.

Lipid panel in October:

Total cholesterol 146 mg/dl
LDL cholesterol 72 mg/dl
HDL cholesterol 64 mg/dl
Triglycerides 49 mg/dl

Lipid panel in early January:

Total cholesterol 229 mg/dl
LDL cholesterol 141 mg/dl
HDL cholesterol 59 mg/dl
Triglycerides 147 mg/dl

I call the holidays The Annual Wheat and Sugar Frenzy. It's the carbohydrates, especially those from products made of wheat and sucrose, that caused the marked shifts in Jeanne's lipid patterns. Let's take each parameter apart:

--Triglycerides go up due to de novo lipogenesis, liver conversion of carbohydrates into triglycerides. Triglycerides enter the bloodstream as VLDL particles which, in turn, interact with LDL and HDL.

--LDL goes up because carbohydrate exposure increases VLDL, followed by conversion to LDL. The triglyceride-rich LDL created is converted to small LDL particles. Had we measured small LDL changes in Jeanne, we likely would have measured something like an increase (by NMR) from 800 nmol/L to 1600 nmol/L, a carbohydrate effect.

--The increased VLDL also makes HDL triglyceride-rich, cause more rapid degradation of HDL particles. (It also makes them smaller, like LDL.) Given sufficient time (a few more months), HDL would drop into the 40's.

--Total cholesterol changes reflect the composite of the above numbers. (Total cholesterol = LDL cholesterol + HDL cholesterol + Trig/5) (Note that, as HDL drops, so will total cholesterol; that's why this value is worthless and should be ignored.)

So don't be surprised by the above distortions after a period of carbohydrate indulgence. Although your unwitting primary care doc will see such changes as opportunity for Lipitor, it is nothing more than the cascade of effects from a carbohydrate-driven distortion of lipoproteins.

How to become diabetic in 5 easy steps

14. January 2011 William Davis (35)

If you would like to become diabetic in as short a time as possible, or if you have someone you don't like--ex-spouse, nasty neighbor, cranky mother-in-law--whose health you'd like to booby trap, then here's an easy-to-follow 5-step plan to make you or your target diabetic.

1) Cut your fat and eat healthy, whole grains--Yes, reduce satiety-inducing foods and replace the calories with appetite-increasing foods, such as whole grain bread, that skyrocket blood sugar higher than a candy bar.

2) Consume one or more servings of juice or soda per day--The fructose from the sucrose or high-fructose corn syrup will grow visceral fat and cultivate resistance to insulin.

3) Follow the Institute of Medicine's advice on vitamin D--Take no more than 600 units vitamin D per day. This will allow abnormal levels of insulin resistance to persist, driving up blood sugar, grow visceral fat, and allow abnormal inflammatory phenomena to persist.

4) Have a bowl of oatmeal or oat cereal every morning--Because oat products skyrocket blood sugar, the repeated high sugars will damage the pancreatic beta cells ("glucose toxicity"), eventually impairing pancreatic insulin production. (Entice your target even further: "Would you like a little honey with your oatmeal?") To make your diabetes-creating breakfast concoction even more effective, make the oatmeal using bottled water. Many popular bottled waters, like Coca Cola's Dasani or Pepsi's Aquafina, are filtered waters. This means they are devoid of magnesium, a mineral important for regulating insulin responses.

5) Take a diuretic (like hydrochlorothiazide, or HCTZ) or beta blocker (like metoprolol or atenolol) for blood pressure--Likelihood of diabetes increases 30% with these common blood pressure agents.

There you have it! Perhaps we should assemble a convenient do-it-yourself-at-home diabetes kit to help, complete with several servings of whole grain bread, a big bottle of cranberry juice, some 600 unit vitamin D tablets, a container of Irish oatmeal, and some nice bottled water.

Restaurant eating: A fructose landmine

13. January 2011 William Davis (25)

There is no remaining question that fructose is among the worst possible things humans can consume.

Followers of the Heart Scan Blog already know this, from conversations like The LDL-Fructose Disconnect, Where do you find fructose?, and Goodbye, fructose.

But fructose, usually as either high-fructose corn syrup (44%, 55%, occasionally higher percentage fructose) or sucrose (50% fructose), is ubiquitous. I've seen it in the most improbable places, including cole slaw, mustard, and dill pickles.

It's reasonably straightforward to avoid or minimize fructose exposure while eating at home, provided you check labels and focus on foods that don't require labels (like green peppers, salmon, and olive oil, i.e., unprocessed foods). But when you choose to eat at a restaurant, then all hell can break loose and fructose exposure can explode.

So what are some common and unsuspected fructose sources when eating at a restaurant?

Salad dressings--Dressings in all stripes and flavors are now made with high-fructose corn syrup and/or sucrose. This is especially true of low-fat, non-fat, or "lite" dressings, meaning oils have been replaced by high-fructose corn syrup. It can also be true of traditional non-low-fat dressings, too, since high-fructose corn syrup is just plain cheap.

Olive oil and vinegar are still your safest bets. I will often use salsa as a dressing, which works well.

Sauces and gravies--Not only can sauces be thickened with cornstarch, many pre-mixed sauces are also made with high-fructose corn syrup or sweetened with sucrose. Barbecue sauce is a particular landmine, since it is now a rare barbecue sauce not made with high-fructose corn syrup as the first or second ingredient. Sauces for dipping are nearly always high-fructose corn syrup-based.

Ketchup--Yup. Good old ketchup even is now made with high-fructose corn syrup. In fact, you should be suspicious of any condiment.

Highball, Bloody Mary, Margarita, Daiquiri, beer--Even the before-dinner or dinner drink can have plenty of fructose, particularly if a mix is used to make it. While Blood Marys seem the most benign of all, adorned with celery, pickle, and olive, just take a look at the ingredient label on the mix used: high-fructose corn syrup.

Fructose is a stealth poison: It doesn't immediately increase blood sugar; it doesn't trigger any perceptible effect like increased energy or sleepiness. But it is responsible for an incredible amount of the health struggles in the U.S., from obesity, to diabetes, to hyperlipidemias and heart disease, to arthritis, to cataracts.

A glycation rock and a hard place

12. January 2011 William Davis (15)

Advanced Glycation End-products, or AGEs, the stuff of aging that mucks up brains, kidneys, and arteries, develop via two different routes: endogenous (from within the body) and exogenous (from outside the body).

Endogenous AGEs develop via glycation. Glycation of proteins in the body occurs when there are glucose excursions above normal. For instance, a blood glucose of 150 mg/dl after your bowl of stone-ground oatmeal causes glycation of proteins left and right, from the proteins in the lens of your eyes (cataracts), to the proteins in your kidneys (proteinuria and kidney dysfunction), to skin cells (wrinkles), to cartilage (brittle cartilage followed by arthritis), to LDL particles, especially small LDL particles (atherosclerosis).

At what blood sugar level does glycation occur? It occurs even at "normal" glucose levels below 100 mg/dl (with measurable long-term cardiovascular effects as low as 83 mg/dl). In other words, some level of glycation proceeds even at blood glucose levels regarded as normal.

There's nothing we can do about the low-level of glycation that occurs at low blood sugar levels of, say, 90 mg/dl or less. However, we can indeed do a lot to not allow glycation to proceed more rapidly, as it inevitably will at blood sugar levels higher than 90 mg/dl.

How do you keep blood sugars below 90 mg/dl to prevent excessive glycation? Avoid or minimize the foods that cause such rises in blood sugar: carbohydrates.

What food increases blood sugar higher than nearly all other known foods? Wheat.

Is einkorn the answer?

11. January 2011 William Davis (14)

People ask: "What if I would like a piece of bread or other baked product just once in a while? What is safe?"

Eli Rogosa, Director of The Heritage Wheat Conservancy, believes that a return to the wheat of our ancestors in the Fertile Crescent, circa 10,000 years ago, is the answer.

Former science teacher, now organic farmer, farm researcher, and advocate of sustainable agriculture, Eli has been reviving "heritage" crops farmed under organic conditions, some of her research USDA-funded.

In particular, Eli has been cultivating original 14-chromosome ("diploid") einkorn wheat. Although einkorn contains gluten (in lesser quantities despite the higher total protein content), the group of proteins that trigger the immune abnormalities of celiac disease and other immune phenomena, Eli tells me that she has witnessed many people with a variety of wheat intolerances, including celiac disease, tolerate foods made with einkorn wheat. (The variety of glutens in einkorn differ from the glutens of the dwarf mutant that now dominate supermarket shelves.)

Eli travels to Israel every year, returning with "heritage" seeds for wheat and other crops. She formerly worked in the Israel GenBank as Director of the Ancient Wheat Program. She has written a brochure that describes her einkorn wheat.

Eli sent me 2 lb of her einkorn grain that nutritionist, Margaret Pfeiffer, and I ground into bread. Our experience is detailed here. My subsequent blood sugar misadventure, comparing einkorn bread to conventional organic whole wheat bread is detailed here, followed by the odd neurologic effects I experienced here.

Anyone else wishing to try this little ancient wheat experiment with einkorn can also obtain either the unground grain or ground flour through Eli's website, www.growseed.org. Most recently, einkorn pasta is being retailed under the Jovial brand at Whole Foods Market.

If anyone else makes bread or any other food with Eli's einkorn wheat, please let me know:

1) Your blood sugar response (before and 1 hour after consumption)
2) Whether you experienced any evidence of wheat intolerance similar to what you experienced with conventional wheat, e.g., rash, acid reflux, gas and cramping, moodiness, asthma, etc.

But remember: Wheat effects or no, einkorn is still a grain. My belief is that humans do best with little or no grain. The einkorn experience is an effort to identify reasonable compromises so that you and I can have a piece of birthday cake once a year without getting sick.

Genetic incompatibility

10. January 2011 William Davis (29)

Peter has lipoprotein(a), or Lp(a), a genetic pattern shared by 11% of Americans.

It means that Peter inherited a gene that codes for a protein, called apoprotein(a), that attaches to LDL particles, forming the combined particle Lp(a). It also means that his overall pattern responds well to a high-fat, high-protein, low-carbohydrate diet: The small LDL particles that accompany Lp(a) over 90% of the time are reduced, Lp(a) itself is modestly reduced, other abnormalities like high triglycerides (that facilitate Lp(a)'s adverse effects) are corrected. Small LDL particles are, by the way, part of the genetic "package" of Lp(a) in most carriers.

Peter also has another gene for Apo E4, another genetically-determined pattern shared by 19% of Americans. (Another 2% of Americans have two "doses" of Apo E4, i.e., they are homozygotes for E4.) This means that the Apo E protein, normally responsible for liver uptake and disposal of lipoproteins (especially VLDL), is defective. In people with Apo E4, the higher the fat intake, the more LDL particles accumulate. (The explanation for this effect is not entirely clear, but it may represent excessive defective Apo E-enriched VLDL that competes with LDL for liver uptake.) People with Apo E4 therefore drop LDL (and LDL particle number and apoprotein B) with reductions in fat intake.

This is a genetic rock-and-a-hard-place, or what I call a genetic incompatibility. If Peter increases fat and reduces carbohydrates to reduce Lp(a)/small LDL, then LDL measures like LDL particle number, apoprotein B, and LDL cholesterol will increase. Paradoxically, sometimes small LDL particles will even increase in some genetically predisposed people.

If Peter decreases fat and increases carbohydrates, LDL particle number, apoprotein B, and LDL cholesterol will decrease, but the proportion of small LDL will increase and Lp(a) may increase.

Thankfully, such "genetic incompatibilities" are uncommon. In my large practice, for instance, I have about 5 such people.

The message: If you witness paradoxic responses that don't make sense or follow the usual pattern, e.g., reductions in LDL particle number, apoprotein B, and small LDL with reductions in their dietary triggers (i.e., carbohydrates, especially wheat), then consider a competing genetic trait such as Apo E4.

The folly of an RDA for vitamin D

9. January 2011 William Davis (26)

Tom is a 50-year old, 198-lb white male. At the start, his 25-hydroxy vitamin D level was 28.8 ng/ml in July. Tom supplements vitamin D, 2000 units per day, in gelcap form. Six months later in January (winter), Tom's 25-hydroxy vitamin D level: 67.4 ng/ml.

Jerry is another 50-year old white male with similar build and weight. Jerry's starting summer 25-hydroxy vitamin D level: 26.4 ng/ml. Jerry takes 12,000 units vitamin D per day, also in gelcap form. In winter, six months later, Jerry's 25-hydroxy vitamin D level: 63.2 ng/ml.

Two men, similar builds, similar body weight, both Caucasian, similar starting levels of 25-hydroxy vitamin D. Yet they have markedly different needs for vitamin D dose to achieve a similar level of 25-hydroxy vitamin D. Why?

It's unlikely to be due to variation in vitamin D supplement preparations, since I monitor vitamin D levels at least every 6 months and, even with changes in preparations, dose needs remain fairly constant.

The differences in this situation are likely genetically-determined. To my knowledge, however, the precise means by which genetic variation accounts for it has not been worked out.

This highlights the folly of specifying a one-size-fits-all Recommended Daily Allowance (RDA) for vitamin D. The variation in need can be incredible. While needs are partly determined by body size and proportion body fat (the bigger you are, the more you need), I've also seen 105 lb women require 14,000 units and 320-lb men require 1000 units to achieve the same level of 25-hydroxy vitamin D.

An RDA for everyone? Ridiculous. Vitamin D is an individual issue that must be addressed on a person-by-person basis.

Heart scan: Standard of care?

6. January 2011 William Davis (0)

If coronary disease is easy to detect by measuring coronary calcium, shouldn't this represent the standard of care?

In other words, if you've been seeing your doctor and he/she has been monitoring cholesterol levels and, inevitably, talks about statin drugs, then you have a heart attack, unstable angina, or die--yet never knew you had heart disease--isn't this negligence?

Coronary calcium, and thereby coronary atherosclerotic plaque, are markers for the disease itself. Unlike cholesterol, high blood pressure, etc., that represent risk factors for coronary atherosclerotic plaque, coronary calcium is a measure of total plaque: "soft" elements like lipid collections, necrotic tissue, fibrous tissue, as well as "hard" elements like calcium. Because calcium occupies 20% of total atherosclerotic plaque volume, it can be used as an indirect "dipstick" for total plaque.

So why isn't an unexpected heart attack, hospitalization for unstable heart symptions, emergency bypass, etc., not regarded as potential malpractice? These are not benign events, but potentially life-threatening.

Plaquology

13. October 2008 William Davis (3)

Plaquology: A new term.

Plaquology: def: (plaque-: atherosclerotic plaque; -ology: study of.) The study of atherosclerotic plaque, originating in the early 21st century during the time period when the material underlying atherosclerosis gained recognition as a measure superior to "risk factors" for cardiovascular disease. Previous to the plaque concept, blood measures of cholesterol and adverse lifestyle habits, such as smoking and sedentary lifestyle, alone had been used to predict potential for cardiovascular events. With acceptance of the concept of plaque measurement, the concept of risk factors was abandoned.

Look it up in the current Oxford Dictionary of the English Language, or Webster's Dictionary, and I'm afraid that you still won't find plaquology . . . but you should.

I'm currently rewriting many parts of the Track Your Plaque book. The rewriting process has caused me to review just how much we've learned these past few years. One of the phenomena that fascinates me is that we now have non-medical people--teachers, software people, engineers, bankers, bed and breakfast owners, retired businesspeople, etc.--all discussing the finer points of coronary atherosclerotic plaque--plaquology--what constitutes plaque, what triggers plaque inflammation, how to quantify potential for plaque rupture or plaque quiescence, what effect various treatments have on plaque composition and behavior, etc.

We now have a legion of Plaquologists!

I'm very proud of our Plaquologists. Having devoted themselves to the study of plaque, their level of knowledge now exceeds that of 99% of practicing physicians, including my colleagues, the cardiologists. While cardiologists spend their day squashing/cutting/vaporizing plaque, they are no more experts in plaquology than a carpenter is an expert in trees. More often than not, cardiologists view plaque as just something that gets in their way, rather than the quantifiable, modifiable, reversible material that we can exert control over.

One of the software tools currently in the works for the Track Your Plaque website is a certification process. Members will be able to gain a "certification" in various topics relevant to plaquology, such as plaque quantification, lipoprotein testing, and nutritional supplements.

How about a Doctor of Plaquology?

Thyroid perspective update

10. October 2008 William Davis (18)

Since the publication of the extraordinary HUNT Study relating the entire spectrum of thyroid function and heart issues, I have been vigorously and systematically examining thyroid function in numerous patients.

While there's no news in relating flagrant low thyroid function with triggering heart disease in several forms, the cut-off between low thyroid and normal thyroid has been a matter of dispute for decades.

In the early 20th century, low thyroid function wasn't diagnosed until someone gained 40 lbs, displayed extravagant amounts of edema (water retention) in the legs and huge bags under the eyes, hair fell out in clumps, and often eventually proved fatal. At autopsy, these unfortunates also showed advanced and extensive quantities of coronary atherosclerotic plaque.

Low thyroid is usually diagnosed on the basis of the blood test, thyroid stimulating hormone, or TSH. TSH is a pituitary gland hormone responsible for stimulation of thyroid function. When thyroid function flags, the pituitary increases TSH release. Thus, a high TSH signals lower thyroid hormone levels.

The difficulty is in distinguishing normal thyroid function from low thyroid function judged by TSH levels. As the years have passed, in fact, the cut-off for "normal" TSH has drifted lower and lower.

The HUNT Study, I believe, clinches the argument: A TSH of 1.5 or lower, perhaps even 1.0 or lower, is desirable to eliminate the excess cardiovascular risk provided by an underactive thyroid, not to mention feel better: more energetic, clearer thinking, greater well-being.

Having now applied this renewed appreciation for thyroid, I have come to believe that:

--Low thyroid function, even subtle levels, are rampant and far more common than ever previously thought. In my office practice, the case could be made that several people per day are marginally or mildly hypothyroid (low in thyroid).
--Restoration of optimal thyroid levels facilitates correction of lipid measures, especially LDL cholesterol and, to a lesser degree, lipoprotein patterns dependent on the insulin axis such as triglycerides and small LDL. It's a lot happier way to correct lipids than statins.

I don't discount the value of feeling better. People who feel better--more energetic, more upbeat, clearer thinking--tend to do better in health overall. If thyroid restoration is a part of that equation, then greater attention should be paid to this facet of health on our way to optimal heart health.

Though I sometimes feel like an endocrinologist dispensing desiccated thyroid (rarely the synthetic T4), I believe that this has been a previously neglected and important part of our effort to achieve coronary plaque stabilization and reversal.

Accidental Health

9. October 2008 William Davis (2)

"I shall never have smallpox for I have had cowpox; I shall never
have an ugly pockmarked face."

Such was the idle comment made by a milkmaid to Edward Jenner in 1768 when Jenner was 19, a remark that later prompted his investigations into using isolates of cowpox injected into humans as the first vaccination against the devastations of the European epidemic of smallpox.

(A caricature of Jenner administering cowpox vaccine to people, causing them to sprout bovine appendages. Image courtesy Wikipedia and the Library of Congress.)

When I look back, something similar has happened here.

Although the Track Your Plaque program is intended to stop and reverse coronary plaque using the only available means of tracking coronary plaque, i.e., heart scans, an unintended panel of benefits follow:

--People lose weight, often dramatically
--People gain greater energy
--Thinking is clearer, emotions more stable
--Sleep is deeper
--Bone density increases
--Physical strength and coordination improve
--Winter blues dissipate
--Blood sugar drops dramatically
--Blood pressure drops

Cholesterol (lipid) panels also settle to values that most physicians deem impossible or impractical, given our target of 60:60:60, i.e., LDL 60 mg/dl or less, HDL 60 mg/dl or higher, triglycerides 60 mg/dl or less. And medications are not always necessary to achieve these values. (When I show these values to my colleagues, they declare them flukes, unobtainable only in select people with high doses of medications.)

I didn’t set out to find the next weight loss solution, nor the key to boundless energy. My goal was "simpler": create a program of heart health. I am, after all, a cardiologist.

I was so intently focused on achieving incremental improvements over the steps leading to heart disease prevention that I failed to recognize the profound phenomena that accompanied it: people were quicker, smarter, thinner, and healthier.

In other words, I believe that we have inadvertently created a program of super health and performance.

Ironically, most people don't want to talk about heart disease, let alone reversal of heart disease. They do want to talk about getting thinner, feeling more energetic, living longer, better cholesterol values, etc.

Perhaps there's a lesson in this.

Livin' La Vida Low Carb interview

7. October 2008 William Davis (5)

I recently provided an interview for Livin' La Vida Low Carb's irrepressible Jimmy Moore.

Jimmy runs a fun set of blogs, webcasts, and the like to broadcast this message of reducing carbohydrates in the diet. He credits his 210 lb weight loss to a strict low-carbohydrate and exercise program.

For the interview, just go to The Livin' the Vida Low Carb Show, Episode 185, or click here.

And click here for Part 2

For more of Jimmy Moore's spin on the entire low-carbohydrate diet experience, he maintains several popular blogs, including Carb Wire and The Livin' La Vida Low-Carb Blog.

Wheat withdrawal: How common?

5. October 2008 William Davis (11)

In response to the recent Heart Scan Blog poll,

Have you experienced fatigue and mental fogginess with stopping wheat, i.e., "wheat withdrawal"?

the 104 respondents said:

Yes, I have experienced it: 26 (25%)

No, I stopped wheat and did not experience it: 65 (62%)

I'm not sure: 3 (2%)

I haven't tried it but plan to: 7 (6%)

I haven't tried it and don't plan to: 3 (2%)

So 25% of respondents reported experiencing the fatigue and mental fogginess of wheat withdrawal. This is similar to what I observe in my practice.

I counsel many patients to consider the elimination of wheat, as well as cornstarch products, in an effort to regain control over:

--Weight
--Appetite
--Low HDL
--High triglycerides
--Small LDL
--High blood sugar
--High blood pressure

All of these issues respond--often dramatically--to elimination of wheat and cornstarch.

Why would there be undesirable effects of eliminating wheat?

One clear issue is that elimination of wheat and other sugar-equivalents deprives your body of glucose. Your body then needs to resort to fatty acid metabolism to generate energy. Apparently, some people are inefficient at this conversion, having subsisted on carbohydrates for the last few decades of their lives. However, as fatty acid metabolism kicks in, energy generation improves. That is my (over-)simplified way of reasoning it through.

However, are there other explanations behind the mental fogginess, drop in energy, and overwhelming sleepiness? Some readers of this blog have suggested that, since opioid-like sequences (i.e., amino acide sequences that activate opiate receptors) are present in wheat, perhaps withdrawal from wheat represents a lesser form of opiate withdrawal. I find this a fascinating possibility, though I know of no literature devoted to establishing a cause-effect relationship.

Whatever the mechanism, I find it very peculiar that this food widely touted by the USDA, American Heart Association, and other agencies actually triggers a withdrawal syndrome in approximately 25% of people. Spinach does not trigger withdrawal. Nor does flaxseed, olive oil, almonds, and countless other healthy foods.

Then why would whole wheat grains be lumped with other healthy foods?

Treat the patient, not the test

5. October 2008 William Davis (0)

"Treat the patient, not the test."

That is a common "pearl" of medical wisdom often passed on during medical training.

It refers to the fact that we should always view any laboratory or imaging test in the context of the live, human patient and not just treat any unexpected value that doesn't seem to make sense.

I raise this issue because it recently came up on a discussion on the Track Your Plaque Forum. A Member with a high heart scan score of around 1100 was advised by his doctor that it should be ignored, because he'd prefer to treat the patient, not the test. The patient is apparently slender, physically active, and entirely without symptoms, with favorable cholesterol values as well. The high heart scan score didn't seem to jive with the appearance of the patient, as viewed by this doctor.

This common phrase is meant to impart wisdom. It is a reminder that we treat real people, not just a jumble of laboratory values.

But the unspoken part of the equation is that judgment needs to be applied. A well looking person who shows an unexpected rise in white blood cell count could just have a screwy result, or could have leukemia. Liver tests (AST, ALT) that top 400 could represent a fluke, or dehydration incurred during a long workout, or hepatitis from a long ago blood transfusion.

Yes, treat the patient. But don't be an idiot and entirely dismiss the signficance of an unexpected laboratory or imaging test. A heart scan score of 1100 should be as readily dismissed as discovering a white blood cell count of 90,000 (normal is less than 12,000), or a 5 cm mass in the lung. The absence of symptoms or the failure of conventional risk factors to suggest causation is insufficient reason to dismiss the concrete findings of a test.

In this particular person, dismissing the significance of the heart scan finding by suggesting that the doctor should treat the patient, not the test, is tantamount to:

--Colossal ignorance
--Malpractice
--A certain sentencing of the hapless patient to future major heart procedures, heart attack or death (20-25% likelihood every year, or a virtual certainty over the next 5 years).

There is an ounce of wisdom in this old medical pearl. But there's also plenty of room for a knuckleheaded doctor to misconstrue and abuse its meaning for the sake of covering up his/her ignorance, laziness, or lack of caring.

Does high cholesterol cause heart disease?

3. October 2008 William Davis (15)

How often does someone develop coronary heart disease from high cholesterol alone?

Believe drug industry propaganda and you'd think that everyone does. Physicians have bought into this concept also, driving the $27 billion annual sales in statin cholesterol drugs.

In my experience, I can count the number of people who develop coronary disease from high cholesterol alone on one hand. It happens--but rarely.

That's not to say that cholesterol is not an issue. That rant populates many of the kook websites and conversations on the internet that argue that high cholesterol is a surrogate for some other health issue, or that it is part of a medical conspiracy.

The problem with conventional measurement of cholesterol is that it ignores the particle size issue: whether particles are large or small. Small LDL are flagrant causes of coronary atherosclerotic plaque. Large LDL is a rather meager cause. Simple cholesterol measurement also ignores the presence of other factors that lead to heart disease, like lipoprotein(a) and vitamin D deficiency.

Conventional total and LDL cholesterol do not distinguish between large and small particles, nor reveal the presence of other hidden patterns. An LDL cholesterol of 150 mg/dl, for instance, may contain 100% large LDL--a relatively good situation that by itself is unlikely to cause heart disease, or it might contain 100% small LDL--a very bad situation that is likely to cause heart disease. Just knowing that LDL is 150 mg/dl tells you almost nothing. In 2008, most people have some mixture of the two, particularly with the proliferation of "healthy whole grains" in the American diet, foods that trigger formation of small LDL.

The imprecision and uncertainty of conventional total and LDL cholesterol has provided ammunition for some to discount the entire cholesterol concept. And they are right to a degree: cholesterol by itself is indeed a lousy predictor of heart disease. But small LDL is a very reliable predictor of potential for heart disease. Dismissing the entire concept because the standard measurement stinks is not right, either.

It is therefore an unfortunate oversimplification to say that high cholesterol causes heart disease or that it doesn't. It can--but not always, depending on size and other factors. In my view, it is therefore irreponsible to treat total or LDL cholesterol without knowledge of particle size. I've seen this play out many times: Someone with an LDL cholesterol of 150 mg/dl but all large still gets prescribed a statin drug by his/her doctor. Or someone with an LDL of 100 mg/dl--generally "favorable" by most standards--is not treated but it is all small and the person is truly at high risk. (Also, knowledge that all LDL particles are small does not mean that statins are the preferred agent. In my view, they are not.)

Are humans meant to be omnivores?

28. September 2008 William Davis (24)

Are humans meant to be omnivores?

Does the ideal human diet include animal products like meat, fish, cheese, eggs, and dairy products?

Or should the ideal diet be devoid of all animal products?a vegetarian diet?

Though the argument is distorted by modern food processing methods (e.g., factory farming, long-term administration of antibiotics), convenience foods, and pseudo-foods crafted by food manufacturers, there are, obviously, proponents of both extremes.

The Atkins’ diet, for instance, advocates unrestricted intake of animal products, regardless of production methods or curing (sausage and bacon). At the opposite extreme are diets like Ornish (Dr. Dean Ornish’s Program for Reversal of Heart Disease) and the experiences of Dr. Colin Campbell, articulated in his studies and book, The China Study, in which he lambasts animal products, including dairy, as triggers for cancer and heart disease.

So which end of the spectrum is correct? Or ideal?

For the sake of argument, let's put aside philosophical questions (like not wanting eat animal products because of aversion to killing any living being) or ethical concerns (inhumane treatment of farm animals, cruel slaughtering practices, etc.). Does the inclusion of animal products provide advantage? Disadvantage?

The traditional argument against animal products has been saturated fat. If we accept that we’ve demoted the saturated fat question to a place far down the list of importance (though this is yet another argument to discuss another time), several questions emerge:

• If humans were meant to be vegetarian, why do omega-3 fatty acids (mostly from wild game and fish) yield such substantial health benefits, including dramatic reduction in sudden death from heart disease?

• Why would vitamin K2 (from meats and milk, as well as fermented foods like natto and cheese), obtainable in only the tiniest amounts on a vegetarian diet, provide such significant benefits on bone and cardiovascular health?

• Why would vitamin B12 (from meats) be necessary to maintain a normal blood count, prevent anemia, keep homocysteine at bay, and lead to profound neurologic dysfunction when deficient?

Omega-3 fatty acids and vitamins K2 and B12 cannot be obtained in satisfactory quantities from a pure vegetarian diet. The consequences of deficiency are not measured in decades, but in a few years. The conclusion is unavoidable: Evolutionarily, humans are meant to consume at least some foods from animal sources.

That's not to say that we should gorge ourselves on animal products. Gout (excessive uric acid) and kidney stones are among the unhealthy consequences of excessive quantities of meats in our diets.

It pains me to say this, since I’ve always favored a vegetarian lifestyle, mostly because of philosophical concerns, as well as worries about the safety of our factory farm-raised livestock and rampant inhumane practices.

But, stepping back and objectively examining what nutritional approach appears to stack the odds in favor of optimal health, I believe that only one conclusion is possible: Humans are meant to be omnivorous, meant to consume some quantity of animal products in addition to vegetables, fruits, nuts, and other non-animal products.

The question is how much?

Are you wheat-free?

24. September 2008 William Davis (25)

According to the recent Heart Scan Blog poll, Are you wheat-free?, the 173 respondents said:

Yes, I am free of wheat products.
87 (50%)

No, I include wheat products in my diet.
73 (42%)

I'm not sure.
1 (0%)

I think you're nuts.
12 (6%)

That's kind of what I expected.

There are people who have eliminated wheat and experienced nothing except a feeling of deprivation. These people are in the minority. Though the poll was not set up to reflect this (i.e., asked who tried it and experienced no perceptible benefit), in my experience, this applies to about 20% of people. Little happens with elimination of wheat beyond modest weight loss. Those are the people who generally think I'm nuts.

Or, these people may have been brainwashed by "official" agencies like the USDA, the American Diabetes Association, and American Heart Association and the constant marketing of (high markup) grain products like Cheerios and Shredded Wheat . Some people are really uncomfortable going against the "grain" of popular public opinion.

Then there are the people who try to eliminate wheat and fail. They can't deal with the overwhelming fatigue, mental fog, and moodiness that comes with withdrawal from wheat, the phenomenon of converting from a sugar-burning metabolism to a fat-burning metabolism. Although wheat withdrawal usually runs its course in 2-5 days, some people find it intolerable. (That would be another fun poll to run: Have you experienced wheat-withdrawal?) Occasionally, the withdrawal is replaced by endless cravings, a phenomenon that applies to only about 10% of people. These are the true "wheat addicts." These are the people who eliminate wheat, lose 40 lbs, then regain it when they have one cracker and the floodgates of impulse control crumble.

Then there are the majority, 50% in the poll, though more like 70% in my face-to-face experience. Why is my experience skewed? Well, the people I deal with every day come because of coronary disease in some form (abnormal heart scan score, for instance) or because of lipid or lipoprotein abnormalities. So my experienced is skewed towards people who are likely to have something abnormal, such as high triglycerides or small LDL particles, both of which are created by including wheat in the diet.

This last group also shows unexpected effects of wheat elimination: substantial weight loss, dramatic reductions in blood sugar and triglycerides, increase in HDL, reductions in small LDL, reduction in c-reactive protein and other inflammatory measures. Appetite shrinks considerably. Not uncommonly, improved well-being, reduction in bowel complaints like cramping or "irritable bowel syndrome" is experienced, some rashes clear, occasionally arthritis will improve. See below for some of the testimonials to this experience.

When I first set out to advise people to eliminate wheat, I did it because I reasoned that it would be a quick and simple way to get people to reduce blood sugars and help correct the ubiquitous metabolic syndrome that afflicts nearly 50 million Americans now. And it did indeed accomplish that simple goal. But I did not expect all the other benefits to develop, the dramatic weight loss, improved well-being, reduction in hunger, etc.

I view wheat elimination as an easy-to-remember, digestible way to obtain enormous health benefits in a coronary plaque-control program, one that works for most--but not all--people. And I relate this experience not to sell you something, but to simply relate what I see as the truth, a way that is contrary to conventional advice yet works enormously well.

Unsolicited testimonials of people who have successfully been wheat-free:

Barbara W said:

It's true! We've done it. My husband and I stopped eating all grains and sugar in February. At this point, we really don't miss them any more. It was a huge change, but it's worth the effort. I've lost over 20 pounds (10 to go)and my husband has lost 45 pounds (20 to go). On top of it, our body shapes have changed drastically. It is really amazing. I've got my waist back (and a whole wardrobe of clothes) - I'm thrilled.

I'm also very happy to be eating foods that I always loved like eggs, avocados, and meats - without feeling guilty that they're not good for me.

With the extremely hot weather this week in our area, we thought we'd "treat" ourselves to small ice cream cones. To our surprise, it wasn't that much of a treat. Didn't even taste as good as we'd anticipated. I know I would have been much more satisfied with a snack of smoked salmon with fresh dill, capers, chopped onion and drizzled with lemon juice.

Aside from weight changes, we both feel so much better in general - feel much more alert and move around with much greater flexibility, sleep well, never have any indigestion. We're really enjoying this. It's like feeling younger.

It's not a diet for us. This will be the way we eat from now on. Actually, we think our food has become more interesting and varied since giving up all the "white stuff". I guess we felt compelled to get a little more creative.

Eating out (or at other peoples' places) has probably been the hardest part of this adjustment. But now we're getting pretty comfortable saying what we won't eat. I'm starting to enjoy the reactions it produces.

Weight loss, increased energy, less abdominal bloating, better sleep--I've seen it many times, as well.

Dotslady said:

I was a victim of the '80s lowfat diet craze - doc told me I was obese, gave me the Standard American Diet and said to watch my fat (I'm not a big meat eater, didn't like mayo ... couldn't figure out where my fat was coming from! maybe the fries - I will admit I liked fries). I looked to the USDA food pyramid and to increase my fiber for the constipation I was experiencing. Bread with 3 grams of fiber wasn't good enough; I turned to Kashi cereals for 11 years. My constipation turned to steattorrhea and a celiac disease diagnosis! *No gut pains!* My PCP sent me to the gastroenterologist for a colonscopy because my ferritin was a 5 (20 is low range). Good thing I googled around and asked him to do an endoscopy or I'd be a zombie by now.

My symptoms were depression & anxiety, eczema, GERD, hypothyroidism, mild dizziness, tripping, Alzheimer's-like memory problems, insomnia, heart palpitations, fibromyalgia, worsening eyesight, mild cardiomyopathy, to name a few.

After six months gluten-free, I asked my gastroenterologist about feeling full early ... he said he didn't know what I was talking about! *shrug*

But *I* knew -- it was the gluten/starches! My satiety level has totally changed, and for the first time in my life I feel NORMAL!

Feeling satisfied with less is a prominent effect in my experience, too. You need to eat less, you're driven to snack less, less likely to give in to those evil little bedtime or middle-of-the-night impulses that make you feel ashamed and guilty.

An anonymous (female) commenter said:

My life changed when I cut not only all wheat, but all grains from my diet.

For the first time in my life, I was no longer hungry -no hunger pangs between meals; no overwhelming desire to snack. Now I eat at mealtimes without even thinking about food in between.

I've dropped 70 pounds, effortlessly, come off high blood pressure meds and control my blood sugar without medication.

I don't know whether it was just the elimination of grain, especially wheat, or whether it was a combination of grain elimnation along with a number of other changes, but I do know that mere reduction of grain consumption still left me hungry. It wasn't until I elimnated it that the overwhelming redution in appetite kicked in.

As a former wheat-addicted vegetarian, who thought she was eating healthily according to all the expert advice out there at the time, I can only shake my head at how mistaken I was.

Stan said:

It's worth it and you won't look back!

Many things will improve, not just weight reduction: you will think clearer, your reflexes will improve, your breathing rate will go down, your blood pressure will normalize. You will never or rarely have a fever or viral infections like cold or flu. You will become more resistant to cold temperature and you will rarely feel tired, ever!

Ortcloud said:

Whenever I go out to breakfast I look around and I am in shock at what people eat for breakfast. Big stack of pancakes, fruit, fruit juice syrup, just like you said. This is not breakfast, this is dessert ! It has the same sugar and nutrition as a birthday cake, would anyone think cake is ok for breakfast ? No, but that is exactly the equivalent of what they are eating. Somehow we have been duped to think this is ok. For me, I typically eat an omelette when I go out, low carb and no sugar. I dont eat wheat but invariably it comes with the meal and I try to tell the waitress no thanks, they are stunned. They try to push some other type of wheat or sugar product on me instead, finally I have to tell them I dont eat wheat and they are doubly stunned. They cant comprehend it. We have a long way to go in terms of re-education.

Yes. Don't be surprised at the incomprehension, the rolled eyes, even the anger that can sometimes result. Imagine that told you that the food you've come to rely on and love is killing you!

Anne said:

I was overweight by only about 15lbs and I was having pitting edema in my legs and shortness of breath. My cardiologist and I were discussing the possible need of an angiogram. I was three years out from heart bypass surgery.

Before we could schedule the procedure, I tested positive for gluten sensitivity through www.enterolab.com. I eliminated not only wheat but also barley and rye and oats(very contaminated with wheat) from my diet. Within a few weeks my edema was gone, my energy was up and I was no longer short of breath. I lost about 10 lbs. The main reason I gave up gluten was to see if I could stop the progression of my peripheral neuropathy. Getting off wheat and other gluten grains has given me back my life. I have been gluten free for 4 years and feel younger than I have in many years.

There are many gluten free processed foods, but I have found I feel my best when I stick with whole foods.

Ann has a different reason (gluten enteropathy, or celiac disease) for wanting to be wheat-free. But I've seen similar improvements that go beyond just relief of the symptoms attributable to the inflammatory intestinal effects of gluten elimination.

Wccaguy said:

I have relatively successfully cut carbs and grains from my diet thus far.

Because I've got some weight to lose, I have tried to keep the carb count low and I've lost 15 pounds since then.

I have also been very surprised at the significant reduction in my appetite. I've read about the experience of others with regard to appetite reduction and couldn't really imagine that it could happen for me too. But it has.

A few weeks ago, I attended a party catered by one of my favorite italian restaurants and got myself offtrack for two days. Then it took me a couple of days to get back on track because my appetite returned.

Check out Jimmy Moore's website for lots of ideas about variations of foods to try. The latest thing I picked up from Jimmy is the good old-fashioned hard boiled egg. Two or three eggs with some spicy hot sauce for breakfast and a handful of almonds mid-morning plus a couple glasses of water and I'm good for the morning no problem.

I find myself thinking about lunch not because I'm really hungry but out of habit.

The cool thing too now is that the more I do this, the more I'm just not tempted much to do anything but this diet.

No more canned foods

21. September 2008 William Davis (12)

If you haven't already caught the news, it's time to eliminate canned foods and exposure to plastics that contain the chemical, bisphenol A (BPA). A worrisome and unexpected association with heart disease and diabetes has been found.

This issue has been debated for some years ever since scientists at the NIH detected BPA in the blood samples of 93-95% of Americans, with consumer protection advocates calling for more research or even the outright banning of BPA , while industry representatives have argued that the data fail to conclusively prove adverse health effects.

Well, the argument has been tilted heavily in favor of increased consumer protection with the publication of a study in the Journal of the American Medical Association by Dr. Iain Lang and associates at the University of Exeter, UK, and the University of Iowa. Their study, released Sept. 17, 2008, Association of urinary bisphenol A concentration with medical disorders and laboratory abnormalities in adults, persuasively demonstrated a 40% increased incidence of coronary heart disease, heart attack, and diabetes with increasing exposure to BPA (as judged by urine levels) among the nearly 1500 adults aged 18-74 years. People with coronary heart disease had double the blood level of BPA compared to those without.

In addition, higher urine levels of BPA were associated with abnormalities of two liver tests, GGT and alkaline phosphatase.

Interestingly, although much of the debate over adverse health effects of BPA have centered around concern over cancer and reproductive risks, an association with cancer did not hold. (No analysis for reproductive issues was conducted in these adults, since most of the concern is for children exposed through polycarbonate baby bottle use. Some BPA critics have raised questions like low birth weight developing from exposure.) No relationship to thyroid disease was identified, also.

The editorial accompanying the study added some sharp commentary:

"Subsequent to an unexpected observation in 1997, numerous laboratory animal studies have identified low-dose drug-like effects of BPA at levels less than the dose used by the US Food and Drug Administration and the Environmental Protection Agency to estimate the current human acceptable daily intake dose (ADI) deemed safe for humans. These studies have shown adverse effects of BPA on the brain, reproductive system, and--most relevant to the findings of Lang et al--metabolic processes, including alterations in insulin homeostasis and liver enzymes. . . For example, when adults rats were fed a 0.2 microgram/kg per day dose of BPA for 1 month (a dose 250 times lower than the current ADI), BPA significantly decreased the activities of antioxidant enzymes and increased lipid peroxidation, thereby increasing oxidative stress. When adult mice were administered a 10 microgram/kg dose of BPA once a day for 2 days ( a dose 5 times lower than the ADI), BPA stimulated pancreatic beta cells to release insulin."

This study, piled on top of the worrisome literature that precede it, are enough for me: No more tin cans (which are lined with BPA), no more hard plastics labeled with recycling code #7 or #3, no more polycarbonate water bottles (the hard ones, often brightly colored). Microwaveable-safe may also mean human-unsafe, as highlighted by this damning assurance from the Tupperware people that BPA is not a health hazard.

The National Toxicology Program also issued these advice in response to the Lang study to reduce BPA exposure (reported by the Washington Post) :

· Don't microwave polycarbonate plastic food containers. Polycarbonate may break down from overuse at high temperatures and release BPA. (Manufacturers are not required to disclose whether an item contains BPA, but polycarbonate containers that do usually have a No. 7 on the bottom.)

· Reduce use of canned foods, especially acidic foods such as tomatoes that can accelerate leaching of BPA from plastic can linings. Opt for soups, vegetables and other items packaged in cardboard "brick" cartons, made of safer layers of aluminum and polyethylene plastic (labeled No. 2).

· Switch to glass, porcelain or stainless-steel containers, particularly for hot food or liquids.

· Use baby bottles that are BPA-free; in the past year, most major manufacturers have developed bottles made without BPA.