The Women's Health Initiative Dietary Study
1991 - 1998 - Pubished 2006
The Diet – Heart Hypotheses, that dietary fat caused heart disease is overturned.
The Diet-Cholesterol-Heart Hypothesis, that cholesterol marked heart disease risk isn't valid either.
People on a low fat high carbohydrate diet, don't lose weight.
Finally they had to admit: that the recommended low-fat, high carbohydrate diet, recommended by the Dietary Guidelines for Americans, has no health benefits for post menopausal women.