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 ...

Despite its importance, the heart is one of the few tissues in the human body that can't repair damage very well – or at ...

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

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 ...

Heart disease kills 18 million people each year, but the development of new therapies faces a bottleneck: no physiological model of the entire human heart exists -- so far. A new multi-chamber ...

An Australian study has found that human heart muscle cells can regenerate after a heart attack, challenging long-held ...

Air pollution, like ozone and PM2.5, significantly damages nearly every major human body system, impacting cardiovascular, ...