(Hindustantimes) - Eating dark chocolates, drinking red wine and being involved in a healthy, loving relationship are good for the heart, says a cardiologist. “There are a couple of different theories behind why that might be,” said Vanderbilt Heart and Vascular Institute cardiologist Julie Damp,M.D. People who are married or who are in close, healthy relationships tend to be less likely to smoke, are more physically active and are more likely to have a well-developed social structure, she said