New Delhi, Dec. 9 -- Dr Sanjay Rajagopalan is Chief of Cardiovascular Medicine at University Hospitals Harrington Heart and Vascular Institute in Ohio. In an interview with The Hindustan Times, he discussed simple ways to keep the heart healthy.

According to the cardiologist, good habits must be established early, so physical exercise should be made mandatory in schools. People should make smarter food choices by shifting from carbohydrate-heavy diets to protein-rich meals.

"People should understand that good food is about intelligent choices. That should be the real focus because, in the long run, that's the most cost-effective way," he told HT.

He mentions that the American Heart Association promotes primordial prevention. Here are 6...