美国研究发现巧克力有益心脏与大脑健康

Even scientific research can be full of chocolatey goodness. Scientists are recruiting older men and women to take part in a large, natio nwide cocoa study looking at its effects on the heart and brain.

Spoiler a lert: Participants won't get to gorge on chocolate bars, but will instead test supplements co ntaining a cocoa extract. The researchers from Boston's Brigham and Women's Hospital, Harvard, and the Fred Hutchinson Cancer Research Center in Seattle, say the results could shed more light on what we already know a bout chocolate （other than the fact that it's delectable� and its impact on health.

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