Description:
Each popular diet modestly reduced body weight and several cardiac risk factors at 1 year. Overall dietary adherence rates were low, although increased adherence was associated with greater weight loss and cardiac risk factor reductions for each diet group.Reference:
Dansinger (2005). "Comparison of the Atkins, Ornish, Weight Watchers, and Zone Diets for Weight Loss and Heart Disease Risk Reduction." Journal of the American Medical Association 293(1): 43-53.
Url: http://www.ncbi.nlm.nih.gov/pubmed/15632335