| http://www.w3.org/ns/prov#value | - using the most rigorous methods.Scientists randomly assigned 7,447 people in Spain who were overweight, were smokers, or had diabetes or other risk factors for heart disease to follow the Mediterranean diet or a low-fat one.Low-fat diets have not been shown in any rigorous way to be helpful, and they are also very hard for patients to maintain ??? a reality borne out in the new study, said Dr. Ste
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