After a heart attack, cardiologists can reopen blocked vessels and restore blood flow, but the muscle cells that died will never be replaced.

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 ...

Japan has approved two stem cell-based therapies for treating Parkinson's disease and heart failure in a world first, through ...

Some heart failure patients with artificial hearts have been able to regenerate heart muscle, potentially paving the way for future heart failure treatment options, according to a study published Nov.

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 ...

New injection helps body produce heart protecting hormone for weeks after heart attack, improving recovery potential.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. People with hidden pockets of fat in their muscles – similar to so-called marbling in beef – are at a higher risk of dying from ...

Most people view their calf muscles solely through the lens of aesthetics or athletic power, but they are actually critical components of your circulatory system. Often referred to by medical ...

We are all creatures of habit, tending to follow whatever routine seems the most doable. We forget that this scenario also applies to exercise, which can leave the body out of balance.

For people who have survived a heart attack, the notion of one shot in the arm to help the heart heal, for weeks after, may ...