Throw away total cholesterol!

Richard's total cholesterol without treatment was 186 mg/dl. "That's great!" his doctor declared, referring to the conventional dictum that total cholesterols less than 200 carry low risk. Several fingersticks in a mall kiosk set up by a local hospital to check total cholesterols confirmed Richard's low number.

But after Richard's unexpected hospitalization and two stents for severe coronary blockages, he demanded better answers.

Tragically, the answer was there all along: Despite a "favorable" total cholesterol, his HDL ("good") cholesterol was a miserable 32 mg (ideal >60 mg).

Total cholesterol is actually the sum total of HDL cholesterol, LDL cholesterol, with a contribution from triglycerides. That's why a low total cholesterol can conceal a low HDL.

This situation is quite common. And low HDL is accompanied by a constellation of other undesirable causes of heart disease, most notably small LDL.

Don't accept total cholesterol as your sole measure of risk. It's nearly worthless. If you live in Bangladesh or a third world country, well perhaps that's the best you can get. But if you live in the U.S. or developed world, it's absurd to rely on total cholesterol.

Smart Start not so smart




Kellogg's has crafted a campaign to support the American Heart Association featuring acress Sela Ward. Her attractive face, familiar to many TV and movie viewers, does add a comforting face to their efforts.

What's in this cereal made by the manufacturers of Pop-Tarts, Cheez-It, Rice Krispies, and Chips Deluxe cookies?

There are, indeed, some healthy ingredients: oat bran, potassium; you can even get a version made with soy protein. But there's sugar listed as the second ingredient. High-fructose corn syrup is also listed prominently. (Remember this issue? High-fructose corn syrup causes overwhelming sugar cravings, causes your triglycerides to skyrocket, and is probably among the principal food ingredients that make you obese.)

Upon detailed questioning of my patients struggling to lose weight, this and products like it are often among the "healthy" foods they've gravitated towards. We spend a great deal of time dissuading them of this idea.

A one-cup serving of Smart Start is low in fat (1 gram) but contains 43 grams of carbohydates, of which there are 14 grams of sugar. There are a meager 3 grams of fiber. To me, this sounds like a cupcake.

The Kellogg's people are exceptionally clever marketers. Partner with the American Heart Association and movie stars? Brilliant!

You should trust food manufacturer advertising about as much as you trust drug manufacturer advertising, which is to say not at all.

Kellogg's sold $10 billion dollars of food products last year. They are the world's leading producer of breakfast cereals. They are a leading producer of convenience foods: cookies, crackers, cereal bars, and frozen waffles under the brands Keebler, Pop-Tarts, Eggo, Cheez-It, Nutri-Grain, Rice Krispies, Famous Amos, and Kashi.

Can they cash in on healthy trends? They'll certainly try.

Does anybody have a normal vitamin D level?

We now routinely check everyone's vitamin D blood level at the start of the program. (The measure to obtain is 25-OH-Vitamin D3. This is not to be confused with 1,25-OH2-vitamin D3, which is a kidney function measure.)

Of the 10 people with levels drawn today, none were even close to normal levels (which we define as 50 ng/ml)--not a single one.

The majority were in the range of severe deficiency (<20 ng/ml). Only two had levels in the 30s. None had higher. (Remember: I'm talking about people in Wisconsin, a terribly sunlight-deprived area much of the year. This might not apply quite as vigorously to Florida residents or others in sun-exposed regions.)

Curiously, I've also seen several people this week who had extraordinary quantities of coronary plaque on their heart scans (scores >1000), all of whom had extremely low vitamin D levels. One of these people had fairly unimpressive lipoproteins, with very minimal abnormalities identified. (This is quite unusual, by the way.) It makes you wonder if a profound deficiency of vitamin D is sufficient to act on its own as an instigator of coronary plaque.

The more we examine the issue of vitamin D deficiency, the more fascinating it gets. I suspect we've just scratched the surface and there's a lot more to learn about this tremendously interesting nutrient. Nonetheless, with what we're seeing in our experience, I'm urging everyone to get a blood vitamin D level.

Don't believe your LDL cholesterol!

Harry's case is typical. For years, his doctor told him his LDL cholesterol of 123 mg was okay. But a heart scan score of 490 (90th percentile at age 52) made him question just where his coronary plaque came from.

Lipoprotein analysis told a very different story: His LDL particle number was 2400 nmol, meaning his trueLDL was more like 240 mg, nearly double the value of LDL obtained through his doctor. Harry had other sources of risk, too, but the LDL particle number was a clear stand-out.

Why does this happen? How can LDL cholesterol be so terribly inaccurate?

LDL cholesterols obtained in virtually all labs are not measured, they're calculated. The calculation was developed in the 1960s by Dr. Friedewald at the National Institutes of Health and therefore goes by his name (the Friedewald calculation). Dr. Friedewald derived this simple calculation to permit doctors across the U.S. to obtain LDL cholesterols, which were technically difficult to measure in those days by using measured HDL, total cholesterol and triglycerides.

Doctors were told that the only time that the Friedewald calculated LDL was inaccurate was when triglycerides exceeded 400 mg. So most family practitioners and internists still believe that calculated LDL's are, for the most part, quite accurate.

Nothing could be further from the truth. When LDL's are actually meaured, you find that LDL is rarely accurate. In fact, in our experience, inaccuracy of 30-50% is the rule, sometimes 100%. The one telltale hint that calculated LDL is wrong is when HDL is <50 mg--that's nearly everybody.

So what's your LDL? You won't really know unless it's measured. Our preferred method is NMR (LipoScience) LDL particle number, probably the most accurate of all. Second best: apoprotein B, direct measured LDL, and non-HDL. (We'll cover this issue much more extensively in an upcoming report on the www.cureality.com website in an extensive Special Report.)

Are you the exception?


I read about 40 heart scans this morning. In the stack was a 41-year old man with a heart scan score of 841.

That's terribly high for anyone, let alone a 41-year old person. He's lucky to find out about this before catastrophe strikes.

People like this worry me. In general, we advise men to consider a heart scan age 40 and older; women 50 and older. If there's anything exceptional about your family history or your own history, then you might notch these numbers down another 5-10 years. For instance, if your Dad had a heart attack at age 43, you might consider a scan at age 35. Or, if you've had diabetes for several years and you're a 42-year old woman, you might think about a scan. (Men tend to develop measurable plaque by heart scans 10 years before women.)

There are no hard and fast rules. It's unusual for a male to have a score >0 before age 40. Likewise, it's very uncommon for a woman to have a score >0 before age 50. But there are occasional exceptions--but they can be very important exceptions.

Our 41-year old man with the score of 841, for instance, probably had a high score since his mid-30s. I've seen several women without any obvious risk factors with scores in the several hundred range in their early 40s.

My rule: When in doubt, opt for safety. Every day, I still read about people in their 30s, 40s, and 50s dying of heart attacks. It shouldn't happen.

When in doubt, get the heart scan. The most you'll lose is the cost of the scan and a modest exposure to radiation. If your score is zero, you know you're safe for the next 5 or more years. But if you have an exceptional score at a young age, take preventive action.

Self-empowerment in health: The new wave in health care

Track Your Plaque is just one facet of the broad and powerful emerging wave of self-empowerment in health.

Hospitals, drug and device manufacturers, and the medical establishment don't like this idea. People managing their own health? That's ridiculous! Dangerous! But mostly unprofitable.

Self-empowerment means having easy access to simple, safe, and inexpensive diagnostic tests like heart scans, carotid scans, bone densitometry (for osteoporosis), cholesterol tests, abdominal ultrasound, even brain scans (e.g., CT or MRI) for people with a family history of brain aneurysm.

Opponents of this idea worry about the "false-positives" that come about with broad testing, i.e, detection of abnormalities that are artifactual. Our experience is that false-positives are only an occasional problem with any test. Instead, we find that most people have many true-positives. In CT heart scanning, for example, we find many unsuspected enlarged aortas (potential future aneurysms), valve disorders, and aortic calcium. These are all important in a preventive program. Unfortunately, your doctor's definition of false-positive often means that no corrective procedure or operation is required.

Other evidence that self-empowerment in health is growing:

--The nutritional supplement movement. What better example of power in managing your own health is there than the fabulous array of nutritional supplements available?

--Medications moving to over-the-counter status. Gradually, more and more medications are trickling into availability for you to obtain without a doctor's prescription.

--What I call "retail imaging", i.e. screening ultrasound, heart scans, full body scans, etc. that are available in most states without a doctor's order.

--The Internet. The rapidity and depth of information available on the Internet today is mind-boggling. It will fuel the self-empowerment movement by providing sophisticated information to the health care consumer previously available only through your physician.

--High-deductible health insurance plans. If health care consumers will bear more and more of the costs of health care, they will seize greater responsibility for early identification and prevention to minimize long-term costs.

There are more. But the movement is powerful and broad--and unstoppable. Let the establishment with vested interests in preserving the status quo fuss and complain, just like horse and buggy manufacturers did in the early 1900's when the autmobile came along.

Vitamin D deficiency is rampant

Today alone I've seen several people with severe deficiencies of vitamin D.

We're now checking everyone's blood vitamin D level at the start of the program. The measure that most accurately reflects your vitamin D status is 25-OH-vitamin D3. This is very confusing to many physicians, who traditionally have thought of 1,25-di-Hydroxy vitamin D3 as the standard test to measure. What they're failing to recognize is that this second measure is a kidney product, not a reflection of vitamin D status.

Using 25-OH-vitamin D3, several people today alone had levels of <10 ng/ml, clearly in the category of severe deficiency (generally regarded as <20ng/ml).

The majority of people we see in the office are Wisconsin residents. It's no wonder they're deficient. Although it's mid-May, we've seen the sun only a handful of days this year. And most of the days have been too chilly to wear short sleeves and shorts to permit sufficient surface area for UV exposure.

Living in a sunny climate, however, is no guarantee that you have sufficient blood vitamin D levels. Two recent studies have shown that 30-50% of the residents of sunny southern Florida and Hawaii are also deficient. (Why, I'm not sure.)

Although our experience thus far is anecdotal in several hundred people, my impression is that people who have normal blood levels of vitamin D (we regard normal as 45-50 ng/ml) have a far easier time of halting or regressing coronary plaque.

Vitamin D is among the most exciting nutritional tools we've come across in a long time. The conversation is making the media, which impresses me tremendously, given the fact that nobody stands to profit financially to any significant degree through vitamin D supplementation.

For a wonderful collection of discussions on vitamin D, go to Dr. John Cannell's website, www.vitaminDcouncil.com. You'll find a huge quantity of scientific background and conversation on the whole idea. I believe you will be thoroughly impressed with just how powerful the argument in favor of vitamin D has become.

What if wheat products were illegal?

Imagine if anything made of wheat were illegal: bread, bagels, crackers, pasta, pretzels, donuts, Shredded Wheat cereal, Raisin Bran, pastry, cookies, cakes, cupcakes. . . Your grocery store would then be unable to carry any of these products.

How empty would the grocery store shelves be?

There would be very little. The stores would be filled instead with vegetables and fruits, meats, and dairy products. But aisle after aisle would be empty. There'd be no cereal aisle. There'd be no snack chip aisle. The ordinarily overcrowded bread shelves wouldn't be there.

Bakery? Nope, not there either. Pasta and noodles? Empty. How about cakes and pastries? Also gone.

Getting the picture? American groceries are dominated by wheat products. What would happen to your health and the health of your family if wheat were abruptly removed from your choices? Would you be less healthy?

No. In fact, your health would be hugely improved. You'd lose a significant quantity of weight. Extraordinary numbers of people would lose diabetic or pre-diabetic tendencies. Feelings of sluggishness, sleepiness, and moodiness would dissolve. Blood pressure would be reduced. The incidence of cancer, skin disease, and inflammatory diseases would plumet.

From a plaque control perspective, your HDL cholesterol would rise, triglycerides drop. Small LDL would improve dramatically.

The message: Slash wheat products from your diet. Yes, you'll miss the smell and taste of freshly baked bread. But you'll do it for many more healthy years. And you may do it without a 14 inch scar in your chest.

The sobering tale of small LDL

Every day, I learn to respect small LDL more and more.

Small LDL particles, and its evil partner, low HDL, is among the most common reasons why someone fails to fully gain control of coronary plaque and heart disease risk.

Just yesterday, I saw a slender businessman (6 feet 1 inch in height, 186 lb.) whose small pattern persisted despite niacin, fish oil, oat bran, and raw almonds. We generally think of small LDL as an overweight person's pattern, but in some people the genetics are quite powerful and it can be expressed even in slender people.

The solution: More physical activity and exercise; cut back on processed carbohydrates, particularly wheat products like breads, pasta, crackers, breakfast cereals; think about magnesium (see our two recent reports on magnesium on the www.cureality.com membership website, the latest report to be posted this week); be sure sleep is adequate (gauge this by whether you're energetic during the day and don't fall asleep watching TV or movies). Lack of sufficient physical activity in people with sedentary jobs is probably among the most common reason the small LDL pattern persists.

Ignore small LDL and it can be like a hidden cancer in your body, growing and metastasizing (not literally, of course), fueling coronary plaque growth. Be sure your doctor assesses whether you have small LDL if you hope to gain control of your coronary risk.

Burn off the fat

If you've ever wondered just how many calories you're burning with various activities like yard work, driving, climbing stairs, etc. go to this great website that will calculate it for you: http://www.caloriecontrol.org/exercalc.html.

Here are some examples:


Dancing for 30 minutes(fast, e.g., tango): 193 calories
Yoga for 30 minutes: 204 calories
Washing the car for 30 minutes: 173 calories
Vacuuming for 30 minutes: 88 calories

(All are for a 170 lb person.)

As you see, physical activity does not necessarily have to consist of exercise. It doesn't require fancy equipment or expensive outfits. But it does require you to keep moving. Sedentary work is among the most common reasons I see in my patients for failing to control weight and its associated lipoprotein patterns, like low HDL and small LDL.

If your work is sedentary, then a minimum of 60 minutes of physical activity per day is necessary to begin to correct weight-related patterns. If you gauge by calories burned, then a useful goal is 500 calories per day in physical activity--at a minimum.

Wheat-free pumpkin bread

Try this recipe for a wheat-free, gluten-free yet healthy "bread." Unlike many gluten-free foods that send blood sugar skyward, this will not.

Ingredients:
2 cups ground almond meal (Buy it from Trader Joe's--70% cheaper than other grocery stores.)
1/2 cup ground flaxseed
1/2 cup sour cream (full-fat, of course)
15 oz canned pumpkin (Trader Joe's is bisphenol A-free)
2 medium to large eggs
1/2 cup chopped walnuts or pecans
4 tablespoons butter, melted
2 teaspoons baking powder
2 teaspoons cinnamon
1 teaspoon nutmeg or allspice
Dash of salt
Choice of non-nutritive sweetener (I used 3 teaspoons Trader Joe's stevia extract powder, the one mixed with lactose. Two tablespoons of Truvia, 1/2 teaspoon of the more concentrated stevia extract, or 1/2 cup Splenda are other choices. You can taste the mixed batter to gauge sweetness if in doubt.)

Preheat oven to 350 degrees F. Grease baking pan (e.g., 10 x 6 inch). The pan should be big enough so that the mix will not be more than 2 inches deep, else it will require much longer to bake. (If you have only smaller pans, you will need to cook longer while the pan is covered with aluminum foil.)

Mix all ingredients thoroughly in large bowl. Pour mix into greased baking pan.

Cover with aluminum foil and bake for 30 minutes. Remove foil and bake for additional 30 minutes or until inserted toothpick or knife comes out dry.

Serve with cream cheese or as is.

(I'd have some pictures, but the kids and I ate it up before I thought to take any photographs.)

Vitamin D: Deficiency vs optimum level

Dr. James Dowd of the Vitamin D Cure posted his insightful comments regarding the Institute of Medicine's inane evaluation of vitamin D.

Dr. Dowd hits a bullseye with this remark:

The IOM is focusing on deficiency when it should be focusing on optimal health values for vitamin D. The scientific community continues to argue about the lower limit of normal when we now have definitive pathologic data showing that an optimal vitamin D level is at or above 30 ng/mL. Moreover, if no credible toxicity has been reported for vitamin D levels below 200 ng/mL, why are we obsessing over whether our vitamin D level should be 20 ng/mL or 30 ng/mL?

Yes, indeed. Have no doubts: Vitamin D deficiency is among the greatest public health problems of our age; correction of vitamin D (using the human form of vitamin D, i.e., D3 or cholecalciferol, not the invertebrate or plant form, D2 or ergocalciferol) is among the most powerful health solutions.

I have seen everything from relief from winter "blues," to reversal of arthritis, to stopping the progression of aortic valve disease, to partial reversal of dementia by achieving 25-hydroxy vitamin D levels of 50 ng/ml or greater. (I aim for 60-70 ng/ml.)

The IOM's definition of vitamin D adequacy rests on what level of 25-hydroxy vitamin D reverses hyperparathyroidism (high PTH levels) and rickets. Surely there is more to health than that.

Dr. Dowd and vocal vitamin D advocate, Dr. John Cannell, continue to champion the vitamin D cause that, like many health issues, conradicts the "wisdom" of official organizations like the IOM.

Large LDL counts, too

Chad is a 43-year old father of five kids.

Earlier this year, he developed chest pain that got worse and worse. He ended up with a total of five stents in all three coronary arteries. After a devastating experience with Lipitor that resulted from a ruptured tendon, he came to me for an option.

Chad's lipoproteins:

Slow Burn works

I have been impressed with the results I've been obtaining with Fred Hahn's Slow Burn strength training technique.

Because I have limited time to hang around the gym, any technique that provides outsized results in a limited amount of time, I have to admit, appeals to me. In past, I'd be lucky to squeeze in one or two strength training sessions per week, devoting the rest of the time to biking outdoors, biking on a sedentary bike (while playing XBox), jogging, or doing strenuous yard work like digging trenches and planting shrubs.

Over the years, I've gradually lost muscle, since the strength training effort suffered with my time limitations.

So Fred's time-efficient Slow Burn idea struck a chord. Having now done it with some regularity, usually 1-2 times per week since mid-September, I have gradually added back visible muscle. My Slow Burn workouts, involving 8-10 different movements, seem to have restored the muscle I've lost, with a very modest time effort.

It took a little getting used to. After Fred showed me how to do the movements--slow motion movement in both the "positive" and "negative" directions, with smooth, non-jerking transitions, one set per muscle group, each taken to muscle exhaustion--it left me unusually tired and sore the next day. This surprised me, given the limited time involved. Breathing is also very important; the usual exhale-during-the-positive, inhale-during-the-negative pattern is replaced by breathing freely during the entire set. I didn't get this at first and ended up with headaches that got worse with each set. Breathing freely relieved me from the effect.

I have strength trained since I was around 15 years old. Back in the early 1970s, I had about 2000 lbs of barbells and dumbbells in my garage in New Jersey, while also driving back and forth to the Morristown, NJ, YMCA to train with friends. The Slow Burn movements forced me to break habits established over nearly 40 years of conventional strength training.

I've also played around with mixing conventional movements with Slow Burn movements to keep it fresh. This also seems to work.

If you're interested in giving it a try, here's an animation that demonstrates what Slow Burn movements look like. Fred has also produced an excellent 3-DVD set of videos that more fully describe the practice.

Do your part to save on healthcare costs

While many of the factors that drive the relentless increase in health care costs are beyond individual control, you are still able to exert personal influence over costs. Just as in political elections, your one vote alone may not count; it's the collective effort of many people who share similar opinions that results in real change.

I just got the new monthly premium for my high-deductible health insurance: Up $300 per month, putting my family's total premium over $2000 per month---for four healthy people. (My son fractured his wrist playing high school hockey earlier this year; that may explain at least some of the increase.)

I'm going to shop around for a better deal. However, shopping is likely to only stall the process. It will not address the systemic problems with healthcare that continue to drive premiums up and up and up.

So what can you do to help keep costs down? Here are a few thoughts:

Never accept a prescription for fish oil, i.e., Lovaza. Just buy far less costly over-the-counter fish oil. I treat complex hyperlipidemias, including familial hypertriglyceridemia, ever day. I NEVER use prescription fish oil. A typical 4 capsule per day Lovaza prescription adds around $280 to $520 per month to overall health costs (though your direct out-of-pocket costs may be less, since you shove the costs onto others in your plan).

Never accept a prescription for vitamin D. Prescription vitamin D is the mushroom or invertebrate form anyway. Just buy the human (cholecalciferol, D3) form from your health food store or "big box" store. They yield consistent increases in 25-hydroxy vitamin D levels, superior to the prescription form. And they're wonderfully inexpensive.

Eliminate wheat from your diet. If there is a dietary strategy that yields unexpected and outsized benefits across a wide spectrum of health, it's elimination of this thing we're sold called "wheat," you know, the genetically-transformed, high-yield dwarf mutant that now represents 99% of all wheat sold. Blood sugar drops, pre-diabetics become non-prediabetics, diabetics reduce need for medication or become non-diabetic, cholesterol values plummet, arthritis improves, acid reflux and irritable bowel symptoms improve or disappear, just to mention a few. Wheat elimination alone, I believe, would result in incalculable savings in both healthcare costs and lives saved.

Be sure to obtain iodine. In the fuss to cut salt use, everyone forgot about iodine. Lack of iodine leads to thyroid disease, usually hypothyroidism, that, in turn, causes cholesterol values to increase, weight to increase, and heart disease risk to double, triple, or quadruple. Iodine supplementation is easy and wonderfully inexpensive.

Over time, I hope that all of us can help develop the effort to self-direct more and more of our own health. Our Track Your Plaque program has shown me that, not only can people take the initiative to direct aspects of their own health, they can do it better than 99% of doctors.  

I'm sure there are many, many other ways to help reduce costs. Any suggestions?

Fish oil: What's the difference?

Ultra-purified, pharmaceutical grade, molecularly distilled. Over-the-counter vs. prescription. Gelcap, liquid, emulsion.

There's a mind-boggling variety of choices in fish oil today. A visit to any health food store, or any "big box" store for that matter, will yield at least several, if not dozens, of choices, all with varying and often extravagant claims of purity and potency.

So what's the real story?

Given the analyses conducted over the years, along with my experience with dozens of different preparations, I believe that several conclusions can be reached about fish oil:

Fish oil is free of contamination with mercury, dioxin, PCBs, or furans. To my knowledge, only one fish oil preparation has been found to have a slight excess of PCBs. (This is different from cod liver oil that has been found by one source to have a slight excess of PCBs.)

Oxidative breakdown products differ among the various brands. Consumer Lab (http://www.consumerlab.org/), for instance, has found that several widely available brands of fish oil contained excessive oxidative breakdown products (TOTOX). You can perform you own simple test of oxidative breakdown products: Sniff it. Your fish oil should pass the "sniff test." High quality fish oil should smell non-fishy to lightly fishy. Rancid fish oil with excessive quantities of oxidative breakdown products will smell nasty fishy.

FDA approval does not necessarily mean greater potency, purity, or effectiveness. It just means that somebody assembled the hundreds of millions of dollars to obtain FDA approval, followed by lots of marketing savvy to squash the competition.

This means that there are a number of excellent fish oil products available. My favorites are the liquid fish oils from Pharmax, Nordic Naturals, and Barleans. Capsules from Carlson, PharmaNutrients, and Fisol have also performed consistently. The "big box" capsules from Sam's Club and Costco have also performed well and are wonderfully affordable.

Wheat-free pie crust

I've been working on wheat-free yet healthy recipes these past two months.

You can buy wheat-free, gluten-free foods at the store, of course. But the majority of these products are unhealthy because cornstarch, rice starch, potato starch, or tapioca starch are commonly used in place of wheat. Recall that these are among the few foods that increase blood glucose higher than even wheat.

Here's a simple recipe for wheat-free pie crust that works best for cheesecake, pumpkin pie, and cream pies, but not for berry or other fruit pies like apple.

You will need:
?
1½ cups ground pecans
6 tablespoons melted butter?or melted coconut oil
1 teaspoon vanilla extract?
2 teaspoons cinnamon
1 medium egg
2 tablespoons Truvia™ or ½ teaspoon stevia extract or ½ cup Splenda®

Mix all ingredients thoroughly in bowl. Pour mixture into pie pan and press onto bottom and sides.

Fill pie crust with desired filling. You can fill it with your favorite cheesecake recipe (e.g., Neufchatel or cream cheese, sour cream, eggs, vanilla, and stevia; add pumpkin for pumpkin cheesecake) and bake, usually at 350 degrees F for one hour. 

Yes, the butter provokes insulin and artificial sweeteners can trigger appetite. But, for the holidays, a slice or two of pie made with this crust will not increase blood sugar nor trigger the uncontrolled impulse eating that wheat crust will trigger.

Have a cookie

Here's a great insight dating all the way back to 1966 from one of the early explorations in lipoproteins from the National Institutes of Health lab of Levy, Lees, and Fredrickson:

The nature of pre-beta (very low density) lipoproteins

The subject is a 19 year old female (among the total of 11 in the this small, diet-controlled study) who was first fed a low-carbohydrate (50 grams per day), low-cholesterol diet; followed by a high-carbohydrate (500 grams per day), low-fat (5 grams per day) diet.






To B or not to B

Apoprotein B (apo B) is the principle protein that resides in LDL particles along with other proteins, phospholipids, triglycerides, and, of course, cholesterol.

There's a curious thing about apo B. Just like one child per family in China or one television per household in 1950s America, there is only one apo B for every LDL particle.

So measuring apo B, in effect, provides a virtual count of LDL particles. (Actually, VLDL particles, the first lipoprotein to emerge from the liver, also have one apo B per particle but LDL particles far outnumber VLDL particles.) While apo B structure can show limited structural variation from individual to individual, the effect on measured apo B is negligible.

One apo B per LDL particle . . . no more, no less. What about the other components of LDL particles?

The other components of LDL particles are a different story. Cholesterol and triglycerides in LDL particles vary substantially. Diet has profound effects on cholesterol and triglyceride content of LDL particles. A diet rich in carbohydrates, for instance, increases triglycerides in LDL particles while reducing cholesterol. This means that measuring cholesterol in the LDL fraction will be misleading, since cholesterol will be falsely low. LDL cholesterol is therefore a flawed means to assess the behavior and composition of LDL particles. In particular, when LDL particles become enriched in triglycerides, they go through a process that transforms them into small LDL particles, the variety most likely to cause atherosclerosis.

In other words, when the worst situation of all--an abnormal abundance of small LDL particles develops--it is usually not signalled by high LDL cholesterol.

Because apo B is not sensitive to the composition of LDL particles--high cholesterol, low cholesterol, high triglycerides, etc.--it is a superior method to characterize LDL particles. While apo B doesn't tell you whether LDL particles are big, small, or in between, it provides a count of particles that is far more helpful than measuring this deeply flawed thing called "LDL cholesterol."

(Even better: Count LDL particles and measure LDL size, since size gives us insight into sensitivity to oxidation, glycation, adhesiveness, ability to trigger inflammatory pathways via monocyte chemoattractant protein, various interleukins, tunor necrosis factor and others. This is why cholesterol panels should go the way of tie dye shirts and 8-track tapes: They are hopelessly, miserably, and irretrievably inaccurate. Cholesterol panels should be replaced by either apoprotein B or lipoprotein measures.)
Rosiglitazone not so rosy?

Rosiglitazone not so rosy?

Dr. Steve Nissen of the Cleveland Clinic published a study that suggests that the pre-diabetes and diabetes drug, rosiglitazone, may increase likelihood of heart attack by 43%.

I say "suggests" because the analysis was something called a "meta-analysis", a re-examination of data obtained by pooling unrelated studies and reanalyzing the data. Strengths of this sort of analysis: Sometimes trends that are not evident in smaller studies finally become evident in the larger numbers of participants obtained through pooling of data. Downside: Any statistician will tell you that a meta-analysis can only suggest an association, it cannot prove it.

Nonetheless, we are talking about people's lives. As they say, if you are taking this drug, also known by the brand name, Avandia, then talk to your doctor. I think that this is sound advice, as there are a number of factors to weigh in decision making. For instance, how far along the diabetic path are you? Have you had negative experiences with other agents?

It will, unfortunately, be months to years before confirmatory evidence on this question become available. In the meantime, Nissen will accuse the drug industry of pushing drugs through the FDA approval process without full safety data. GlaxoSmithKline, the manufacturer of Avandia, will counter with claims of weak data, the existing trials not confirming Nissen's findings, etc. We've seen it before.

My take on this is to step back and look at the broad picture. Do we need yet another reason to say that it's far better to maintain normal body weight, dramatically reduce reliance on processed carbohydrates and wheat, exercise, and following other insulin-sensitizing strategies, rather than rely on insulin-sensitizing drugs? (That's what rosiglitazone is supposed to do.) Metabolic syndrome, also known as pre-diabetes, or diabetes is present to various degrees in two thirds of all adults I meet. Nearly all of it is self-inflicted. Nearly all of it is curable with the above lifestyle strategies if undertaken early enough in the process.

A 190 lb, 5 foot 2 inch woman, or a 220 lb, 5 foot 10 inch man, both of whom are surprised that they have pre-diabetes really need to get a grip on reality and health. To me, it's no surprise that drugs do not reverse all the nasty manifestations of lifestyle gone berserk. It should also come as no surprise that the complex, chaotic physiologic mess created by metabolic syndrome and pre-diabetes is not perfectly managed by adding one drug.

Comments (3) -

  • Mike

    5/23/2007 8:39:00 PM |

    The FDA should have fully analyzed the data before granting approval to Rosiglitazone. It is my opinion that all drug test data should be public domain on all approved drugs or medical equipment (stents, pace makers, etc.). That is the only way that a patient can truly give informed consent to using them.

  • Nancy

    5/23/2007 10:50:00 PM |

    Yeah, probably most of the time it is self-inflicted except when you look at the nutritional recommendations and grain heavy diet being pushed by the US government, and even the ADA (!) the whole idea that grains are so darned healthy is probably responsibile for a lot of the diabetes in our society.

  • Anne

    5/24/2007 11:04:00 AM |

    Rosiglitazone has also been associated with macular edema. This improves when people discontinue the drug. It is also thought to increase the risk of bone fracture.

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