Word: fatted
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...Still, the results of these studies, which were sponsored by the National Heart, Lung and Blood Institute and published in the Journal of the American Medical Association, cannot be ignored, or easily dismissed. This is by far the largest, most scientifically rigorous attempt ever to test a low-fat diet-defined as 20% or less of total calories coming from fat. Researchers randomly divided the participants into two groups, worked hard to get one group to cut its fat intake and then compared the results for each of them for the next several years...
...Through focus groups and sessions with nutritionists, the so-called intervention group was given a lot of help and information on how to cut the amount of fat in their diet. As a group they weren?t able to get all the way down to 20% fat intake, but they did manage to reduce it to 24% in the first year, though it slid back up to 29% by the sixth year. The other, so-called control group received printed material on dietary guidelines but no other help on healthy eating. The fat content of their diets was 35% after...
...also possible that if you want to prevent cardiovascular disease, it?s not enough to focus just on the total amount of fat in the diet; you also have to look at the types of fat-particularly saturated and trans fats-as well as exercise and physical activity levels. Why didn?t the study focus more intently on these variables? Researchers were not as aware of how important they were back in the late 1980s, when they were designing the trial...
...Women in the low-fat group suffered 9% fewer breast cancers than those in the control group. Although that difference was not statistically significant, it is very suggestive. Given how long it takes for most tumors to grow, it may simply be that the study has not lasted long enough to show a significant effect. In addition, there was a clear benefit for one sub-group of women-those who began the study with the highest total fat consumption and who were able to make and maintain the greatest reduction in the number of fat calories in their diet. This...
...Women in the low-fat group did not see a significant drop in their rates of colorectal cancer, but here again, it may mean that the study simply hasn?t lasted long enough. The low-fat group did have 9% fewer polyps and other precancerous lesions in their lower gastrointestinal tract-and that is a statistically significant finding. Given how long it takes colorectal cancer to develop, it?s reasonable to be heartened by those results...