A paper published in the New England Journal of Medicine has shown that endothelial progenitor cells "can repair endothelium and are lowered by cardiovascular risk factors," Di Stefano told theheart.org | Medscape Cardiology. "We can improve this with statins, for example, but we can also improve this with chocolate." ...
A small piece of dark chocolate contains as much polyphenol as two glasses of red wine or one cup of green tea, she noted, and olive oil and apples also contain polyphenols."