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 ...

A powerful muscle in the lower body quietly supports the heart’s work every single day. Experts say it plays a far greater ...

After severe heart failure, the ability of the heart to heal by forming new cells is very low. However, after receiving treatment with a supportive heart pump, the capacity of a damaged heart to ...

Biomedical engineer Nenad Bursac, standing, and postdoctoral associate Tianyu Wu image a heart tissue patch through a microscope at the Bursac lab at the Duke University Pratt School of Engineering.