A new dietary review of 49 observational and controlled studies finds plant-based vegetarian diets, especially vegan diets, are associated with lower levels of total cholesterol, including lower levels of HDL and LDL cholesterol, compared to omnivorous diets. The meta-analysis appears as an online advance in Nutrition Reviews.
The study authors—Yoko Yokoyama, Ph.D., M.P.H., Susan Levin, M.S., R.D., C.S.S.D., and Neal Barnard, M.D., F.A.C.C.—reviewed 30 observational studies and 19 clinical trials, which met their inclusion criteria. They find:
A plant-based vegetarian diet is associated with total cholesterol that’s 29.2 mg/dL lower in observational studies. In clinical trials, a plant-based diet lowers total cholesterol by 12.5 mg/dL.
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