Researchers boosted levels of a heart-healing hormone in mice and pigs with a single injection of a new, experimental form of self-amplifying RNA that prolonged hormone synthesis for many weeks.

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 ...

A single injection of a new, experimental form of self-amplifying RNA prolonged hormone synthesis for many weeks, healing the heart in pigs.

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 ...

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 ...

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.

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 ...

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