Harvard Heart Letter

For Valentine s Day: More cheers for chocolate

Research we’re watching A heart-shaped box of chocolates may make your heart happy in more ways than one. As earlier studies have hinted, cocoa flavanols—plant-based nutrients found in cocoa beans—may have beneficial effects on risk factors for cardiovascular disease, according to new research. The review, which appeared in the Nov. 1, 2016, Journal of Nutrition, pooled findings from 19 clinical trials that included more than 1,100 people. The flavanols used in the…

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