• According to a 2003 report published by the American Dietetic Association, the flavanols contained in chocolate, especially dark chocolate, may decrease the risk of heart disease.*
• Dark chocolate has also been shown to lower high blood pressure, as detailed in another 2003 report published in The Journal of the American Medical Association.**
• In addition, chocolate triggers the release of endorphins in the brain — feel-good chemicals like those released after running several miles — as well as serotonin, an anti-depressant.

*http://www.eatright.org/

**http://www.webmd.com/