"Rich and creamy chocolate drinks may help to reduce blood pressure, according to recent research. Researchers at Harvard conducted a review of past research in 2011 and found that dark chocolate lowered blood pressure in all study participants. The most notable reduction was seen in patients with hypertension. Another study published in the "BMC Medicine" journal in 2010 reviewed the results of 15 studies on the effect of chocolate and blood pressure. According to Dr. Karen Reid, dark chocolate can significantly lower blood pressure in people already experiencing hypertension."