In healthy individuals, walnuts lower cholesterol more than fish, while fatty fish lower triglycerides. Both can reduce the overall risk of coronary heart disease.
Following the qualified health claim issued by the Food and Drug Administration, researchers found that incorporating approximately 40gms of walnuts (a handful of whole nuts or about three tablespoons of chopped nuts) into the daily diet lowered serum total cholesterol by 5.4 percent and LDL (bad) cholesterol by 9.3 percent compared to a control diet based on USDA recommendations. For this study subjects were randomly assigned to each of the three diets for eight weeks over a 24-week schedule. This gave the researchers a chance to compare the effect of each diet on each participant.
Source - Loma Linda University research just published in the American Journal of Clinical Nutrition.
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