研究表明可可对健康有益，但加入很多糖就不好说了

Cocoa compound linked to some cardiovascular biomarker improvements

“The treatment groups of the trials included in our meta-analysis are primarily dark chocolate — a few were using cocoa powder-based beverages,” Lin said. “Therefore, the findings from the current study apparently shouldn’t be generalized to different sorts of chocolate candies or white chocolates, of which the content of sugar/food additives could be substantially higher than that of the dark chocolate.”