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Earlier this month, the medical newspaperBmj Released a re-evaluation of a 40-year-old study that concluded that saturated fats cause high cholesterol and heart disease. This looks in the past included previously unpublished data that had never been observed previously by the public. It becomes even more juvenier: the data really contradicts the conventional wisdom on the relationship between saturated fat, high cholesterol andcardiopathy.

In the study, 9,000 institutionalized patients received one of the two random schemes. The first was a low diet in saturated and rich greases with respect to vegetable oil, and the second imitating a typical American food that is high in saturated fat. As researchers have expressed the hypothesis, the special diet has reduced blood cholesterol levels in patients. Although the particular regime did not seem to have no effect on heart disease, researchers thought they saw reduced rates in these patients if experience occurred longer. Gives a good meaning? Maybe not. The newly published complete results really prove that the exactcontrary is right. The low saturated fat group has effectively undergone higher rates of heart-related deaths than those who have eaten the US diet par excellence. Yes, you read this right, a weak diet in saturated fat = an increased risk of cardiac disease. These results were particularly important in topics over 64 years old. Soufflé.

Confused? Well, you are not alone - for decades we have associated saturated fats with heart disease because that's what heseemed Search indicated. In fact, the American Food Guidelines still supports this idea, suggesting that Americans limit their saturated fat consumption and use more vegetable oils.

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Researchers who have re-evaluated the initial study concluded that the lack of data in the last 40 years has resulted in serious misunderstandings. "This research was published 40 years ago, it might have changed the trajectory of the research and recommendations of cardiac food," said the author of the study Daisy Zamora. On the other side of the equation, however, experts who have been strong supporters of the campaign against saturated facts quickly criticized new discoveries. Walter Willett, President of the Harvard Nutrition Department, has recently written in a blog that these new discoveries are irrelevant for current food guidelines. It argues that it is because the current guidelines do not say to completely cut the saturated grease. They recommend rather replacing saturated fats with a type of "good fat" called polyunsaturated grease.

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This is not totally clear why the data were not published and we may never know since the chief researchers, Ancel Keys and Ivan Frantz died since. A theory is that the results of the trial went against the notion firmly believed that saturated fat injured cardiac health. That said, it is quite possible that for this very reason the researchers interviewed their results and never understood them completely.

Christopher Ramsden, the main author of the new journal, request for caution to attract definitive conclusions on the new analysis. He said, however, that the research suggests that saturated fats "may not be as bad as the initial thought". (Translation: saturated grease may not be the worst thing never, but you should still not make scarf in an entire pizza or go on a fast foodBurger Bender.) A conclusion that we can draw from the new discovery with certainty, however, that's how difficult it is for the data that contradicts conventional thinking to reach the public.