Cocoa could prevent intestinal pathologies such as colon cancer. A new study on living animals has shown for the first time that eating cocoa (the raw material in chocolate) can help to prevent intestinal complaints linked to oxidative stress, including colon carcinogenesis onset caused by chemical substances. Cocoa-rich diet prevents azoxymethane-induced colonic preneoplastic lesions in rats by restraining oxidative stress and cell proliferation and inducing apoptosis.

Drinking Black Tea May Lower Blood Pressure.  Lowering your blood pressure may a major factor behind the many health benefits of tea. A new study shows that people who drank three cups of black tea a day lowered their blood pressure levels by an average of 2 to 3 points. Effects of Black Tea on Blood Pressure: A Randomized Controlled Trial.