Study shows greater muscle area in men leads increased risk of heart disease; it's different for muscle density. Body composition -- often expressed as the amount of fat in relation to muscle -- is ...

Hypertrophic cardiomyopathy, or HCM, is a complex type of heart disease that affects your heart muscle. According to doctors, the condition can lead to the thickening of your heart muscle, left ...

A study challenges the idea that “more exercise is always better,” revealing how elite cyclists may burn through their daily heartbeats faster. This raises new questions about the fine line between ...

Just when you thought you understood everything about heart health, scientists have discovered something completely unexpected. It turns out the fat hiding in your muscles might be more dangerous than ...