When heart muscle gets damaged, the result is often permanent. Unlike other muscles in the body, the heart has long been believed to lack the ability to heal itself. But recent research suggests that ...

Growing evidence shows that building muscle strength can have benefits for your heart, even leading to better outcomes after a heart attack. Having a higher level of leg muscle strength appears to be ...

Scientists have found that the human heart can regenerate muscle cells after a heart ...

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 ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...