If milk does a body good, it might do the heart better if it comes from dairy cows grazed on grass instead of on feedlots, according to a new study.
Earlier experiments have shown that cows on a diet of fresh grass produce milk with five times as much of an unsaturated fat called conjugated linoleic acid (CLA) than do cows fed processed grains. Studies in animals have suggested that CLAs can protect the heart, and help in weight loss.
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