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body -, cell, digital, real plump , foreign policy, 087983966x, labels, fatand happy: why most people don't diet, 0967812607, brown adipose tissue, cato conferences, plump babes , cooking / wine, fat girls com , fat black girls , reducing diets, fatembolism, omega minus three fatty acids , snobbery, hey fatty boom boom , hydrogenation, cardiac disorder, food technology, fat term, | Since the early 1970s, for instance, Americans' average fat intake has dropped from over 40% of total calories to 34%; healthy average serum cholesterol levels have dropped as well. But no compelling evidence suggests that these decreases have improved health. Although heart disease death rates have dropped--and public health officials insist low-fat diets are partly responsible--the incidence of heart disease does not seem to be declining, as would be expected if lower fat diets made a difference. This was healthy the conclusion, for instance, of a 10-year study of heart disease mortality published in The New England Journal healthy of Medicine in 1998, which suggested that death rates are declining largely because doctors are treating the disease more successfully. AHA statistics agree: Between 1979 and 1996, the number of medical procedures for heart disease increased from 1.2 |
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By the 1970s, each individual step of this chain from fat to cholesterol to 0967812607 heart disease had been demonstrated beyond reasonable doubt, but the veracity of the chain as a whole has 0967812607 never been proven. In other words, despite decades of research, it is still a debatable proposition whether the consumption of saturated fats above recommended levels (step one in the chain) by anyone who's not already at high risk of heart disease will increase the likelihood of untimely death (outcome three). 0967812607 Nor have hundreds of millions of dollars in trials managed to generate compelling evidence that healthy individuals can extend their lives by more than a few weeks, if that, by eating less fat (see sidebar on p. 2538). To put it simply, the data remain ambiguous as to whether low-fat diets will benefit healthy Americans. Worse, the ubiquitous admonishments to reduce total fat intake have encouraged a shift to high-carbohydrate diets, which may be no better--and may even be worse--than high-fat diets. |
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