Science reveals that your lower legs act as a secondary circulatory pump, pushing blood against gravity to protect your heart and prevent dangerous blood pooling.

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.

This unexpected ability opens the door for scientists to stimulate cellular mitosis and improve heart function after an attack.

February is American Heart Month, with a focus on encouraging all of us to make heart-healthy choices to reduce ...

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 ...

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 ...

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, ...

Trendy weight-loss drugs making headlines for shrinking waistlines may also be shrinking the human heart and other muscles, according to a new University of Alberta study in JACC: Basic to ...

Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in ...

Here's why 40% of heart attacks show atypical symptoms like jaw pain, fatigue, and arm heaviness, and how early recognition ...