BOSTON, Aug. 20 (UPI) -- Eating one to two servings of high-quality dark chocolate per week was linked to lower risks of heart failure, U.S researchers found.
Researcher Dr. Murray Mittleman, director of the Cardiovascular Epidemiology Research Unit at Harvard Medical School's Beth Israel Deaconess Medical Center in Boston, led the 9-year study, conducted among 31,823 middle-aged and elderly Swedish women.