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What the Research Tells Us about Dietary Fat
'In a study published in the Journal of the American Medical Association (i) Dr. Ludwig correctly points out that careful review of all the studies on dietary fat and body fat -- such as those done by Dr. Walter Willett of the Harvard School of Public Health -- have shown that dietary fat is not a major determinant of body fat.
Let me repeat that.
Dietary fat is not a major determinant of body fat.
The Women's Health Initiative, which is the largest clinical trial of diet and body weight, found that 50,000 women on low-fat diets had no significant weight loss. Yet another study looked at people who followed four different diets for 12 months -- and found no dramatic differences between those who followed low-fat, low-carb and very- low-carb diets.
The question then is, why aren't we seeing any significant effects or differences from these various diets? The main reason, Dr. Ludwig suggests, is that we are looking for answers in the wrong place.'
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