The health benefits of polyphenols are easily demonstrated in a test-tube environment, however cocoa also provides a considerable amount of Copper, which inhibits the action of Hesperidin, which is an essential flavanone. Although some foods contain higher levels of copper by weight, the copper in coffee and cocoa products is much more bioavailable compared to that from other higher-level sources. High copper activity increases the risk for vascular degeneration such as varicose veins, hemorrhoids, aneurysms, bruising, heart disease, and stroke... Full Text