"ounce for ounce, dark chocolate has five times as many antioxidants as blueberries."
""The science is compelling. I think it's a good idea to include flavonol-rich foods such as chocolate in your diet,""
"A recent Italian study confirmed that dark chocolate can decrease blood pressure; it also revealed that the dark stuff may help prevent type 2 diabetes by encouraging hormones to transport sugar from the blood into cells for fuel."
..and theres more. just mouse over the period at the end of the first quote.
((note: a good way to pervent people from going to links is to make them have to retype the html address themselves.))