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 research suggests that regular aerobic exercise doesn’t just benefit the heart muscle, but subtly rewires the nerves that control how the heart works. Regular physical activity does more than ...

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.

After a marathon, many runners show higher levels of a substance called troponin in their blood. Troponin is released when ...

People with hidden pockets of fat in their muscles – similar to so-called marbling in beef – are at a higher risk of dying from heart attacks or heart failure regardless of their body weight, ...

In a decades-long effort, researchers have discovered how to tweak the molecular pathways that turn heart muscle motors up or ...

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 ...

New research published in the European Heart Journal has shown that people who have pockets of fat inside their muscles are at greater risk of hospitalization or death due to certain types of heart ...

Scientists have uncovered new evidence showing how type 2 diabetes directly reshapes the human heart, altering both its energy production and physical structure.

Myocarditis has become a flashpoint in debates about COVID vaccines; however, new research suggests this rare heart ...