Why the Low-Fat Diet is Stupid and Potentially Dangerous

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Permission has been given by the author, Anthony Colpo of The Omnivore ( http://www.theomnivore.com ) to reprint the article here. Those wishing to post the article elswhere, please read the note towards the end of the article.

Also, since the board seems to have probloms processing the whole article, I'm posting it in parts.

Why the Low-Fat Diet is Stupid and Potentially Dangerous

Anthony Colpo, February 23, 2006

On February 8, 2006, the Journal of the American Medical Association delivered a huge blow to advocates of low-fat 'nutrition' by publishing the results of the huge Women's Health Initiative trial. The results of the trial clearly showed that a low-fat diet failed to prevent cardiovascular disease or cancer in women even when followed continuously for eight years. In women with pre-existing CVD, the low-fat diet increased the risk of CVD by 26 percent!

Since the publication of the WHI results, low-fat diet supporters have been working overtime manufacturing excuses for the failure of their beloved regimen. Foremost among these is that the women in the low-fat group did not reduce their fat intake sufficiently. I even had one sadly misguided soul write to me the other day telling me I did not "understand" low-fat diets, that the only reason they frequently fail is because people following them don't lower their fat intake enough.

Such stupidity makes my head spin…

First of all, I understand low-fat diets only too well! Much to my regret, I followed one throughout most of the nineties, and the result was nothing short of disastrous.

My low-fat nightmare began in my early twenties, after a doctor told me that my cholesterol, at 213, was "moderately high" and placed me at increased risk of heart disease (something I now know to be nonsense). Following the prevailing dietary wisdom at the time, I soon adopted a low-fat diet. This wasn't your average low-fat diet--it was a VERY low-fat diet, with the kind of anemic fat intake that would have made lipid-phobes like Ornish and Pritikin proud.

For years, I ate only the leanest meats; in fact, to this day, the thought of eating another skinless chicken breast, kangaroo steak, or low-fat fish makes me want to puke! Fuelling the high energy demands of my daily workouts in the face of a low fat intake meant eating carbohydrates--lots of them! In keeping with the common advice still given to athletes to eat lots of 'healthy' complex carbohydrate foods, I consumed copious amounts of rye bread, brown rice, sweet potato, wholemeal pasta, rolled oats, buckwheat, and millet.

My dedication to the low-fat mantra was nothing short of religious, and my low-fat brainwashing so thorough that when I sat down and calculated the average amount of fat calories I was taking in, I was actually proud when I realized I was consistently consuming less than ten percent of my calories as fat every day!

Halfway through the nineties, reality began to bite--hard. Despite my 'healthy' diet, and my daily strenuous training regimen, my blood pressure had risen from 110/65, a reading characteristic of highly-conditioned athletes, to an elevated 130/90. I noticed it was becoming increasingly harder to maintain the lean, "ripped", vascular look that I had always prided myself on. Instead, my physique was becoming increasingly smooth and bloated. My digestive system became progressively more sluggish, my stomach often feeling heavy and distended after meals. I frequently felt tired after meals. I showed signs of leaky gut syndrome, racking up a rather impressive list of irreversible food sensitivities. I had never been much of a coffee drinker, but I was now frequently trying to fight off increasing fatigue by sipping a strong black or two before training sessions. My fasting blood glucose level was below the normal range, indicative of reactive hypoglycemia.

Basically, I felt like crap!

It wasn't until I abandoned the whole low-fat charade, and adopted a diet that went against everything preached by the reigning diet orthodoxy, that I began to reverse these symptoms. When I ate more saturated fat and meat than ever before and subsequently felt better than ever before, I quickly realized that most diet 'experts' actually had no clue what they were talking about. I quickly realized that they were mere parrots repeating an official party line.

When I look back on my fat-fearing days, where I really believed that dietary fat was some sort of heinous toxin, the first thought that comes to mind is "What a wanker!" I then think of the sad legion of brainwashed folks all around the world who still follow the idiotic low-fat paradigm. "Poor folks," I think to myself, "they really have no idea just how badly they've been had…"

While I feel sorry for many of these folks, I have nothing but utter contempt for those who write me in defense of the low-fat paradigm. To be fooled is one thing, but to vigorously defend those who have mercilessly deceived and shafted you is beyond pitiful--such self-destructive stupidity is an absolutely repugnant thing to observe!

Let's now find out why the participants in the diet group of the WHI trial should be glad that they did not lower their fat intake any more than what they did!

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Why the Low-Fat Diet is a Big Fat Fraud

One of the first priorities of healthy eating is to consume the most nutrient-dense foods possible. Cutting your fat intake strongly impedes this goal via at least three mechanisms:
1) Directly slashing your intake of important vitamins and fatty acids;2) Reducing the absorption of crucial fat-soluble vitamins;3) Decreasing the absorption of important minerals.
You probably think you're being "enlightened" when you trim the fat from your meats and ditch your egg yolks down the sink. What you are really doing is lucidly demonstrating what a mindless, brainwashed dolt you've become. You are effectively throwing away nutrients that your body needs to survive and thrive!

The fatty portions of meat, dairy and eggs are where one finds the highest concentrations of fat-soluble vitamins such as A, D, E and beta-carotene. Stripping the skin from your chicken breast not only makes it less tasty, but reduces its vitamin A content by seventy-eight percent!(1)
Throwing away your egg yolks is equally dumb. While one large egg yolk contains 245 IU of vitamin A, 18 IU of vitamin D, and 186 mcg of lutein plus zeaxanthin, along with small amounts of other carotenoids and vitamin E, a large egg white contains none of these nutrients. Egg yolks, along with beef liver, are also an especially concentrated dietary source of phosphatidylcholine (lecithin) and choline, which the body requires for healthy liver function and for the formation of the key neurotransmitter acetylcholine. Lower levels of acetylcholine are associated with memory loss and cognitive decline(2).

The last time you chose skim milk yogurt instead of the whole milk variety, you nutritionally short-changed yourself; skim yogurt contains 93 percent less vitamin A than whole yogurt! And if you chose non-fat yogurt, then congratulations--you received no vitamin A whatsoever!(1)
Data from national nutrition surveys consistently show that American children have lower than recommended intakes of vitamin E, and this is reflected in below-average serum levels of the vitamin. Reduction in dietary fat further exacerbates the low vitamin E status of children(3). The consequences of low dietary vitamin E intakes may include impaired immune responses, and an increased susceptibility to cardiovascular disease and cancer.

Willingly reducing your consumption of important vitamins and carotenes is not smart--it's downright stupid!

Absorb This!

Low-fat eating doesn't just decrease your intake of certain crucial nutrients. As researchers have shown time and time again, it will also dramatically reduce the absorption of whatever fat-soluble vitamins and carotenes remain in your diet!(4-7).

When subjects ingested equal amounts of lutein--a carotenoid that may protect against age-related macular degeneration and cataract--from either whole eggs, spinach or supplements, it was observed that lutein absorption was significantly higher during the period of whole egg consumption(8).

In another study, researchers compared the absorption of carotenoids from salads that contained either 0, 6 or 28 grams of canola oil. There was no increase in blood carotenoid concentrations after the fat-free salad, while the reduced fat salad produced markedly lower blood carotenoid elevations than the high fat version(9).

The addition of 150 grams of fat-rich avocado to salsa enhanced lycopene and beta-carotene absorption by 4.4 and 2.6-fold, respectively, compared to avocado-free salsa. In the same subjects, adding either twenty-four grams of avocado oil or 150 grams avocado to salad greatly enhanced alpha-carotene, beta -carotene and lutein absorption by 7.2, 15.3 and 5.1 times, respectively, compared with avocado-free salad!(10)

Only a true dumbass would think that reducing absorption of healthful fat-soluble nutrients is somehow beneficial. Don't be a dumbass.

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Making a Bad Situation Worse

The mineral status of the typical Westerner is atrocious. Take magnesium for example, a substance vital for healthy heart function, blood sugar control, bone formation, and muscular contraction(11-16). A recent survey of U.S. adults found that the average daily intake of magnesium among Caucasian men is only 352 milligrams, and a mere 278 milligrams among African American men. Caucasian women consume an average of 256 milligrams per day, while African American women take in only 202 milligrams daily(17). The lower amounts of magnesium ingested by African Americans have been posited as a possible contributor to their increased susceptibility of hypertension, diabetes, and cardiovascular disease(18).

The situation isn't much better for zinc. Overt zinc deficiencies are common to Third World countries where animal protein consumption is low, while milder, 'sub-clinical' zinc deficiencies appear to be common in modernized nations. Nationwide food consumption surveys by the USDA have found that the average intake of zinc for males and females of all ages is below the recommended daily allowance (RDA). This is especially worrying when one considers that RDAs are generally based on the amount of a nutrient required to prevent obvious, well-recognized deficiency diseases (such as stunted growth and hypogonadism in the case of zinc), not sub-clinical deficiencies that may damage one's health over the longer-term.

Those who follow low fat diets are at even greater risk of zinc deficiency(19,20). Not only do low-fat diets discourage the consumption of zinc-rich foods like red meat, but a low dietary fat intake itself acts to impair mineral absorption.

It's ironic that red meat is typically denigrated for its saturated fat content, because saturates are the very fats that improve mineral absorption!(21-24).

A pilot study by researchers at the USDA Grand Forks Human Nutrition Research Center examined the effect of different fats and carbohydrate on performance and mineral metabolism in three male endurance cyclists. During alternating four-week periods, each subject consumed diets in which either carbohydrate, polyunsaturated, or saturated fat contributed about fifty percent of daily energy intake. Endurance capacity decreased with the polyunsaturated fat diet. The polyunsaturated diet also resulted in increased excretion of zinc and iron, while copper retention tended to be positive only on the saturated fat diet(25).

Optimal health is next to impossible to achieve with sub-optimal mineral status. Low-fat diets, most notably those low in saturated fats, encourage sub-optimal mineral status. Yet another reason why these diets suck the salsiccia, big time!

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Low-Fat, Low Omega-3

Unless you've been living on a distant planet for the last few years, then you have no doubt heard about omega-3 fats and their pivotal role in maintaining good health.

Unlike low-fat diets, clinical trials utilizing the sole intervention of increased fatty fish or fish oil intake have produced significant reductions in CHD and overall mortality. The benefits of EPA and DHA-rich items like fish and fish oil are not confined to the cardiovascular system. In epidemiological studies and animal experiments, increased intakes of long-chain omega-3 fatty acids have been associated with lower rates of cancer, depression and mental illness, adverse pregnancy outcomes, infectious disease, osteoporosis, lung disease, menstrual pain, cognitive decline in the elderly, eye damage, childhood asthma and attention-deficit hyperactivity disorder(26-51). In clinical trials with human subjects, researchers have observed benefits from long-chain omega-3 supplementation in the treatment of asthma, alzheimers, rheumatoid arthritis, depression, schizophrenia, infant health, pregnancy outcomes, kidney disease, menstrual problems, ulcerative colitis, Crohn's disease and cystic fibrosis(52-73). ****, even the fat-hating vegetarian Dean Ornish recommends the use of distinctly non-vegetarian fish oil supplements! (Gee, can anyone see a contradiction there?)

So what has this all got to do with low-fat eating? Everything!

Similar to fat-soluble vitamins, the absorption of EPA and DHA increases when consumed with a high fat meal(74).

Again, not just any old fat will do when it comes to improving one's omega-3 status. Saturated fat improves the body's conversion of plant-source omega-3 fats into the longer-chain varieties EPA and DHA, while omega-6-rich fats impede the conversion process. In young males, elongation of alpha-linolenic acid (ALA) and linoleic acid (LA) to DHA, EPA and AA was reduced by forty to fifty percent when dietary LA intake increased from fifteen to thirty grams per day(75).

When rats were supplemented with linseed oil, their serum and tissue content of the all-important omega-3 fatty acids increased, and omega-6 levels decreased, to a far greater extent on a saturated fat-rich (beef fat) diet than on a linoleic acid-rich (safflower oil) diet(76).
Cutting fat--as in saturated fat--worsens your omega-3 status. If you think that's a good thing, then low-fat nutrition has already scrambled your brain. My advice: Eat some fat before you become totally brain dead!

Speaking of scrambled brains…

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Nature's Anti-Depressant: Fat!

Feeling moody? Irritable? Always snapping at your kids for no good reason? Are you known around the office as "Attila the Grump"? If so, eating a low-fat diet isn't going to help the situation. In fact, a low-fat diet may actually be the cause of your mental funk!

In 1998, U.K. researchers reported the results of an important experiment involving twenty healthy male and female volunteers. One group was placed on a 41% fat diet, while the other group consumed a 25% fat diet. After 4 weeks had passed, the groups were swapped around so that those originally on the low-fat diet were now consuming the high-fat diet, and vice-versa. Throughout the study, all meals were prepared by the university conducting the study and supplied to the participants. Both diets were specially designed to be as palatable and similar in taste as possible.

At the beginning and end of each diet period, every subject underwent a battery of psychological assessments, including various mood state questionnaires and an interview by a psychiatrist who was blinded to the participant's dietary status.

The study was tightly-controlled and adherence to the diets appears to have been high. HDL cholesterol levels declined during the low-fat period, a typical response on low-fat, high-carb diets, indicating that subjects ate the foods as supplied.

The researchers found that, while ratings of anger-hostility slightly declined during the high-fat diet period, they significantly increased during the low-fat, high-carb diet period!

Tension-anxiety ratings declined during the high-fat period, but did not change during the four weeks of low-fat, high-carb eating.

Ratings of depression declined slightly during the high-fat period, but increased during the low-fat, high-carb period, mainly due to two of the low-fat subjects reporting significantly greater depression-dejection ratings.

What is particularly alarming about this study is that the low-fat diet produced these symptoms in mentally healthy subjects. As the researchers emphasized, the participants were "a psychologically robust group who had never previously suffered from depression or anxiety, and who were not going through any 'stressful' events during the study." They further stated that "The alterations in mood observed in the present study may have been greater if subjects were feeling more stressed or were more susceptible to mental illness."(77)

Low-fat diets should be approached with extreme caution by those with a history of depression, anxiety, overly aggressive behavior or mental illness. Such individuals may be especially vulnerable to the nutritional inadequacies of low-fat diets.

The UK researchers' observations raise some interesting questions. Could the low-fat, high-carbohydrate diets that have been so heavily promoted over the last thirty years be at least partially responsible for increases in anti-social behavior witnessed during the same period? If studies with our primate cousins are anything to go by, the answer to this question could well be affirmative.

Low-Fat Diet Makes Monkeys Go Ape

For almost 2 years, adult male monkeys were fed a "luxury" diet - (43% calories from fat, 0.34 mg cholesterol/Calorie of diet) or a "prudent" diet (30% calories from fat, 0.05 mg cholesterol/Calorie of diet).

Researchers observed that the low-fat diet monkeys were more irritable and initiated more aggression than the "luxury" diet animals.

The prudent diet resulted in lower total serum cholesterol levels, something that our absent-minded health authorities automatically assume is a good thing. The researchers, however, noted: "These results are consistent with studies linking relatively low serum cholesterol concentrations to violent or antisocial behavior in psychiatric and criminal populations and could be relevant to understanding the significant increase in violence-related mortality observed among people assigned to cholesterol-lowering treatment in clinical trials."(78)

(Image) A research monkey after discovering he was going to be placed on a low-fat diet for almost 2 years.

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Fatless Shrugged

It was Ayn Rand who once said that the most noble and productive goal for a person to engage in was the pursuit of their own happiness. If the achievement of your own happiness is important to you, then kick the low-fat diet's sad, sorry, melancholy butt right out of your life--it's a loser.

Low-Fat Diets Lower Testosterone

Testosterone is abhorred by politically correct weenies, who like to blame it for every instance of disagreeable male behavior, in much the same way menstruation was once cited as the catch-all explanation for uncharacteristically aggressive or irritable female behavior.

Of course, scientific reality is of little concern to the politically correct. The fact is, testosterone is an extremely important hormone for both men and women. Sex drive, muscle and bone health, immune function, cognitive function, mood, and cardiovascular health are all negatively affected by declining levels of testosterone. Testosterone levels typically decline with age, and, along with the decline of other key hormones, falling T levels are believed to be a major contributor to many of the deleterious changes seen during the aging process. As such, aging individuals should be looking at ways to preserve and even boost their testosterone status, rather than engaging in self-defeating habits that will speed the decline in T levels. Alcohol abuse, recreational drug use, pharmaceutical drugs, stress, and poor sleep habits can all lower testosterone levels.

So too can low-fat diets.

Research shows that reducing fat intake from around forty percent to 20-25 percent of calories decreases testosterone output. Low fat diets also increase levels of sex hormone-binding globulin (SHBG), a protein which binds to testosterone, thus reducing the amount of bioavailable, or 'free', testosterone in the body. It is free testosterone that is responsible for this hormone's favorable effects on growth, repair, sexual capacity and immune function(79-81).

Again, not just any old fat will suffice when it comes to optimizing testosterone levels. A study with weight-training men showed higher saturated fat and monounsaturated fat consumption to be positively associated with testosterone levels. In contrast, higher dietary levels of so-called "heart-healthy" polyunsaturated fats relative to saturated fats were associated with lower testosterone levels (82).

It's highly ironic that athletes and bodybuilders will take all manner of expensive, esoteric and often dubious testosterone-boosting concoctions--not to mention anabolic steroids--yet will follow hormone-damping low-fat diets with religious fervor. It's a little like putting on a weighted vest before a big race and expecting to run at full speed.

Hormones like testosterone play a fundamentally important role in stimulating and regulating growth and metabolism. Don't go throwing a low-fat monkey wrench into your metabolic engine!

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Low-Fat Diets and Immune Function

Diet 'experts' assure us that a low-fat diet is the key to good health. The published research does not support such claims.

Despite the virulent ranting of anti-fat activists, trials comparing sedentary adult volunteers fed low-fat diets with those receiving higher fat diets has shown no improvement in immune status in the former group(83,84).

In children, whole milk consumption is associated with fewer gastrointestinal infections than consumption of low fat milk (85). Rats consuming diets high in milk fat show a significantly greater resistance to Listeria infection and higher survival rates than those whose diets were low in milk fat(86). Similar results have been observed in mice fed diets high in saturate-rich coconut oil(87)

In athletes, who are constantly pushing their immune systems to the edge with strenuous training, adherence to the commonly-recommended low-fat high-carbohydrate diet (15-19% of total calories) increases pro-inflammatory immune factors, decreases anti-inflammatory factors, and depresses antioxidant status when compared to higher fat diets (30-50% of total calories)(88,89). Such changes may leave athletes on low-fat diets with a lowered resistance to infection and a higher risk of chronic illness. This may be due to difficulty in obtaining sufficient calories from low-fat diets to meet the energy demands of exercise; increasing dietary fat intake and total caloric intake to match energy expenditure appears to reverse the negative effects on immune function reported on calorie-deficient, low-fat diets. Diets comprising 32% to 55% fat also improve endurance capacity compared to diets with 15% fat(90).

It was Scandinavian researchers who, in the 1960s, performed research showing that using extremely high-carbohydrate, low-fat diets for short periods could enhance athletic performance. This was achieved by using these diets as part of a "depletion-repletion" carbohydrate-loading strategy, which helped temporarily elevate muscle glycogen stores to higher than usual levels. One of the pioneers in this area, Dr. Jan Karlsson, points out that such diets were never intended to be applied for more than 3-4 days. Karlsson and his colleagues openly lament that these diets are now employed for extended periods of time, and refer to the prolonged use of very high-carbohydrate/low-fat diets by athletes as "voluntary malnourishment". They note that in Scandinavia, researchers use the term "Carbohydrate Trap" when referring to the widespread belief that these diets are required for optimal performance. These researchers consider a 50-55% carbohydrate, 35% fat diet to be eminently more sensible and nutritious than the >60% carb, <25% fat diets commonly used by athletes(91).

For athletes and non-athletes alike, the low-fat diet is a sick (pun intended) joke.

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The Low-Fat Diet Does Not Protect Against Heart Disease, and May Actually Worsen It

The WHI trial confirmed what well-read cholesterol skeptics have known for a long time: The low-fat diet is a big fat fraud when it comes to preventing heart disease. Among the 48,835 women participating in the trial, no significant differences in CHD or stroke incidence, CHD or stroke mortality, or total mortality were observed(92). Nor were there any reductions in the incidence or mortality rates of breast cancer, colorectal cancer, or total cancer(93,94).
There was however, one very ominous finding to emerge from the WHI trial. Among the 3.4 percent of trial participants with pre-existing cardiovascular disease, those randomized to the low-fat diet experienced a 26% increase in the relative risk of non-fatal and fatal CHD!

Low-fat advocates have remained deafeningly silent on this inconvenient finding, and would no doubt like to believe this was just a 'freak' occurrence. However, this is hardly the first time that low-fat eating has been shown to worsen the prognosis of women with existing cardiovascular disease.

In 2004, the world's most prominent nutrition journal, The American Journal of Clinical Nutrition, published the results of a very, very interesting study. Harvard researchers had taken 235 postmenopausal women with established coronary heart disease, and divided them into four categories according to their level of saturated fat intake. They then performed coronary angiographies at baseline and after a mean follow-up of 3.1 years, analyzing over 2,200 coronary artery segments in the process.

After adjusting for multiple confounders, a higher saturated fat intake was associated with less narrowing of the arteries and less progression of coronary atherosclerosis. Compared with a 0.22 mm narrowing in the lowest quartile of intake, there was a 0.10-mm narrowing in the second quartile, a 0.07 mm narrowing in the third quartile, and no narrowing in the fourth and highest quartile of saturated fat intake!

Following a low-fat diet means adopting a high-carbohydrate diet by default. After all, it is exceedingly difficult and highly unpalatable to achieve the bulk of one's caloric needs by eating lean protein foods. It is of no small concern then, that carbohydrate intake was positively associated with atherosclerotic progression, particularly when the glycemic index was high. The intake of so-called 'heart-healthy' polyunsaturated fats was also positively associated with progression of atherosclerosis, but monounsaturated and total fat intakes were not associated with progression (it must be noted that the major sources of polyunsaturates in Western countries are refined vegetable oils which are rich in the omega-6 fat linoleic acid. The polyunsaturated omega-3 fats, which are underconsumed by most Westerners, have actually been shown to lower CVD).

After examining the baseline data for the study subjects, it is apparent that the results can not be explained away by otherwise healthier lifestyles among those eating the most saturated fat; the high saturated fat group, in fact, had the greatest number of current smokers! Women eating the most saturated fat were also less likely to take blood-thinning medications like aspirin(95).

If this study had found saturated fats to be associated with cardiovascular disease, its results would have been trumpeted in headlines around the world. Instead, they were largely ignored by the mainstream media and our ever-so responsible 'health' authorities. It appears only studies that support the cherished dogma of our health orthodoxy are considered suitable as press release fodder…

A major factor in the progression of cardiovascular disease--and most major diseases--is free radical damage. It is well-established that saturated fatty acids, because of their lack of vulnerable double bonds, are the least susceptible to free radical damage; polyunsaturates are the most vulnerable. We also know that increased carbohydrate consumption, especially of the refined variety, does an outstanding job of raising blood sugar and insulin levels, which accelerates glycation, free radical activity, blood clot formation, and arterial smooth muscle cell proliferation.

It should also be noted that increasing heart disease incidence throughout the twentieth century has been accompanied by increasing polyunsaturate consumption, while a marked increase in refined carbohydrate consumption during the last three decades has been accompanied by spiralling obesity and diabetes incidence. Animal fat consumption, in contrast, has remained stable over the last 100 years.

So what we have is two studies that show that women with pre-existing heart disease will experience WORSE outcomes if they shun saturated fat and opt for a low-fat/high-carbohydrate diet! Furthermore, the validity of these results is supported by basic biochemistry and epidemiological data. So will low-fat advocates stop recommending this pattern of eating to women with heart disease? Does their concern for human life override their need to defend their precious low-fat dogma at all costs?

I truly doubt it…

If low-fat advocates won't be straight with you, then I will. Let's be perfectly clear on this: If you are female, and suffer cardiovascular disease, the published, peer-reviewed scientific evidence indicates that adopting a low-fat diet could be DEADLY.

The WHI is not the only dietary intervention trial to demonstrate the worthlessness of the low-fat diet in preventing CVD. In 1965, the prominent journal Lancet published the results of a trial conducted by the UK Medical Research Committee. In this study, 264 men under 65 were assigned to either a low-fat diet or their usual diet. Dietary records show that those in the low-fat group averaged 45 g/day of fat throughout the trial, while those in the control group actually increased their average fat intake from 106 to 125g. The average serum cholesterol measurement of the low-fat group was 25 points lower than that of the control group at 4 years. Despite nonsensical claims that "every 1mg/dl drop in cholesterol equals a 2% drop in CHD risk", there were no differences between the two groups in CHD incidence or mortality after 4 years.

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In Search of the Elusive 'Negative Fat Intake'!

The hysterical anti-fat vitriole that spews forth from some anti-fat faddists leads me to believe that if these clowns could eat a 'negative-fat' diet, they would! As for their argument that the above trials didn't lower fat enough, one has to wonder how creating even greater deficiencies in valuable nutrients, and predisposing one to greater risk of depression and anger--all of which low-fat diets have indeed been clinically documented to do--will in any way help prevent heart disease! Maybe these folks have been eating low-fat so long that it's started to drain their brains; healthy human brains, after all, are 60% fat by weight!

The authors of the MRC trial concluded that: "A low-fat diet has no place in the treatment of myocardial infarction." Despite being written over forty years ago, these words have largely been ignored by a medical and health hierarchy which seems to earnestly believe that if only it keeps flogging the dead low-fat horse, it will one-day magically spring to life. In Australia, this is known as engaging in a 'wank', which means that people who push low-fat diets despite no proof whatsoever of their efficacy are wankers. This might be stating the obvious, but…you really shouldn't listen to wankers!

But the Japanese Eat a Low-Fat Diet…Don't They?

Supporters of low-fat nutrition cite the Japanese ad nauseum, claiming that their low-fat/high-carbohydrate diet is the reason for their low rate of heart disease. It is ironic that many of these same commentators exhort the benefits of whole-grains and tell us that the only 'bad' carbohydrates are those that come from refined sugars and grains. These folks need to get their story straight---a major source of carbohydrates in the Japanese diet is white rice--a refined grain! That means that if the high-carbohydrate Japanese diet is cardio-protective, then refined grains must be good for one's heart! Well, which is it? You can't have it both ways; either refined grains are heart-friendly, or they're not!

The truth is, the longevity and low CHD incidence of the Japanese owes nothing to carbohydrate intake, refined or otherwise. During the 1960s and 1970s, industrialization underwent rapid growth in Japan. This period of marked economic change bought with it greater consumption of animal protein and fat. This increased animal food consumption in Japan has been accompanied by a marked decline in both the overall incidence of and the mortality from one of that nation's biggest killers--stroke. This increase in animal protein and animal fat consumption has also occurred alongside Japan's rise to the top of the longevity ladder.(96,97)

If you're tempted to write this off as merely a consequence of improved living standards and medical technology, keep in mind that long-term follow-up studies with both native and migrant Japanese populations show that those who eat the most animal protein and animal fat enjoy greater longevity and a lower incidence of stroke than those who eat lesser amounts(98-101).

OK, So What About the Mediterranean Diet?

A diet low in saturated fat is purportedly a major factor in the low rates of CHD observed in Southern European countries. Just one wee problem: France, the Mediterranean country with the lowest CHD rates of all, is also the Mediterranean country with the highest saturated fat intake!

Oops!

Health 'experts' have tried to brush off this embarrassing observation as a 'paradox' (orthodoxy loves applying the 'paradox' label to uncomfortable contradictions) by claiming that red wine explains this difference. If that were true, then the Italians, who drink a similar amount of red wine, should have CHD rates even lower than France. But they don't; their CHD rates are similar to those of other Southern European countries where far less red wine is consumed(102).

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Conclusion

I could go on, and on, and on…but I'll just close by saying that the low-fat diet has NEVER been demonstrated to do all the wonderful health-fortifying things claimed for it. The only trials showing favorable effects in people following low-fat diets are those that simultaneously employed other truly useful interventions, like exercise, stress management, increased fruit and vegetable intake and decreased processed food intake, and weight loss. However, there is absolutely no law whatsoever stating that low-fat eating is requir