As 2016 draws to an end, I believe that a change is in the air. The dietary guidelines, or perhaps I should call them the ‘dietary misguidedlines’, are under a sustained attack. This, finally, may actually result in success. We will be able move on from believing that fat, or saturated fat, in the diet is responsible for cardiovascular disease or, indeed, any form of disease.

But where to then? The current dogma is that saturated fat in the diet raises cholesterol levels and this, in turn, leads to cardiovascular disease. However, as many of you may have spotted earlier this year, in the Minnesota Coronary Experiment (MCE), substituting saturated fat with polyunsaturated fat was effective at lowering cholesterol levels. However, it had absolutely no effect on deaths for heart disease, and greatly increased the overall risk of death.

The summary of this trial was, as follows:

  • It involved 9423 women and men aged 20-97
  • A cholesterol lowering diet was used, replacing saturated fat with linoleic acid (from corn oil and corn oil polyunsaturated margarine).
  • The low saturated fat group had a significant reduction in serum cholesterol compared with controls.
  • There was no evidence of benefit in the intervention group for coronary atherosclerosis or myocardial infarcts.
  • For every 0.78mmol/l reduction in serum cholesterol [Around a 20% reduction], there was a 22% higher risk of death [This is about a 30% reduction in cholesterol level]

Big deal, you might think. This is just one trial, so what difference does it make. However, this was no ordinary trial. It was absolutely pivotal for four main reasons:

  • It was the largest controlled trials of its kind ever done. That is, substituting saturated with polyunsaturated fats.
  • It was done by Ancel Keys (who started the entire diet-heart hypothesis in the first place)
  • It was finished, before the main clinical nutritional guidelines were developed
  • It was not published at the time, for reasons that have never been explained, by anyone.

As the authors of the re-analysis note.

Whatever the explanation for key MCE data not being published, there is growing recognition that incomplete publication of negative or inconclusive results can contribute to skewed research priorities and public health initiatives. Recovery of unpublished data can alter the balance of evidence and, in some instances, can lead to reversal of established policy or clinical practice positions.” 1

Which is a polite way of saying that a bunch of liars hid the results. Almost certainly because the results contradicted their self-promoted message that saturated fats are unhealthy. It is clear that these researchers, in particular Ancel Keys, did this quite deliberately, and then continued to promote their own dietary dogma.

I think it is almost impossible to overestimate the long-term impact of the non-publication of this trial.

  • For want of a nail the shoe was lost.
  • For want of a shoe the horse was lost.
  • For want of a horse the rider was lost.
  • For want of a rider the message was lost.
  • For want of a message the battle was lost.
  • For want of a battle the kingdom was lost.
  • And all for the want of a horseshoe nail.

Here is my updated version

  • For want of the MCE trial evidence the McGovern hearings were lost
  • For want of the hearings the guidelines were lost
  • For want of the guidelines the message was lost
  • For want of the message battle was lost
  • For want of the battle saturated fat was lost
  • All for the want of the MCE trial data.

The McGovern hearings which set the entire direction of nutritional thinking, and guidelines, took place in 1977. The MCE trial ran from 1968 to 1973. Had the data from this study been made available, the dietary guidelines in the US, the UK and the rest of the world (In their current form, demonising saturated fat) simply could not have been written.

If those guidelines had not been written, then the entire world of cardiovascular research would almost certainly have gone off in a different direction. The role of LDL in causing CVD would have been consigned to the dustbin history. Goldstein and Brown wouldn’t have done their research on Familial Hypercholesterolaemia, statins would never have been developed, and we not have been forced to endure fifty years of the damaging, destructive diet-heart/cholesterol hypothesis.

The fact that the diet-heart/cholesterol hypothesis is complete nonsense, has been clear as day to many people for many years. In 1977 George Mann, a co-director of the Framingham Study, writing in the New England Journal of Medicine called it ‘the greatest scam in the history of medicine.’ In my view, anyone with a moderately functioning brain, can easily see that it is nonsense.

So, if not fat and cholesterol, what does cause cardiovascular disease, and more importantly, what can be done to prevent it, or at least delay it? At last (some of you are thinking) I will state what I believe to be one of the most important things you can do to reduce the risk.

Returning to the central process of cardiovascular disease (CVD), for a moment. If you are going to reduce the risk of cardiovascular disease, you must do, at least, one of three things:

  • Protect the endothelium (lining of blood vessels) from harm
  • Reduce the risk of blood clots forming – especially over areas of endothelial damage
  • Reduce the size and tenacity (difficulty of being broken down) of the blood clots that develop

If you can do all three, you will reduce your risk of dying of a heart attack, or stroke, to virtually zero.

What protects the endothelium?

There are many things that that can do this, but the number one agent that protects the endothelium is nitric oxide (NO). Thus, anything that stimulates NO synthesis will be protective against CVD. Which brings us to sunshine and vitamin D.

  • Sunlight on the skin directly stimulates NO synthesis, which has been shown to reduce blood pressure, improve arterial elasticity, and a whole host of other beneficial things for your cardiovascular system, not least a reduction in blood clot formation.
  • Sunlight on the skin also creates vitamin D, which has significant impact on NO synthesis in endothelial cells, alongside many other actions. It also prevents cancer, so you get a double benefit.

Therefore, my first direct piece of direct advice for those who want to prevent heart disease, is to sunbathe. In the winter when the sun is not shining take vitamin D supplementation. Alternatively, go on holiday to somewhere sunny. Or get a UVB sunbed, and use it.

My only note of warning here is to say, don’t burn, it is painful and you don’t need to.

By the way, don’t worry about skin cancer. Sun exposure protects against all forms of cancer to a far greater degree than it may cause any specific cancer. To give you reassurance on this point, here is a Medscape article, quoting from a long-term Swedish study on sun exposure:

‘Nonsmokers who stayed out of the sun had a life expectancy similar to smokers who soaked up the most rays, according to researchers who studied nearly 30,000 Swedish women over 20 years.

This indicates that avoiding the sun “is a risk factor for death of a similar magnitude as smoking,” write the authors of the article, published March 21 in the Journal of Internal Medicine. Compared with those with the highest sun exposure, life expectancy for those who avoided sun dropped by 0.6 to 2.1 years.

Pelle Lindqvist, MD, of Karolinska University Hospital in Huddinge, Sweden, and colleagues found that women who seek out the sun were generally at lower risk for cardiovascular disease (CVD) and noncancer/non-CVD diseases such as diabetes, multiple sclerosis, and pulmonary diseases, than those who avoided sun exposure.

And one of the strengths of the study was that results were dose-specific — sunshine benefits went up with amount of exposure. The researchers acknowledge that longer life expectancy for sunbathers seems paradoxical to the common thinking that sun exposure increases risk for skin cancer.

“We did find an increased risk of…skin cancer. However, the skin cancers that occurred in those exposing themselves to the sun had better prognosis,” Dr Lindqvist said.”2

In short, avoiding the sun is a bad for you as smoking. In my opinion ordering people to avoid the sun, is possibly the single most dangerous and damaging piece of health prevention advice there has ever been. The sun has been up there, shining down, for over four billion years. Only very recently have we hidden from it. If you believe in evolution, you must also believe that sunshine provides significant health benefits. It cannot be otherwise.

Written By: Dr. Malcolm Kendrick

Article Source: https://drmalcolmkendrick.org/2016/12/24/what-causes-heart-disease-part-xxiii/

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