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 ...

Pioneering research by experts at the University of Sydney, the Baird Institute and the Royal Prince Alfred Hospital in ...

Add Yahoo as a preferred source to see more of our stories on Google. Michigan State University scientists have built tiny beating heart organoids that can be driven into atrial fibrillation with ...

Some people say that today there are almost no "blank spots" left on our planet - that is, places completely unexplored by humans. And therefore, supposedly, life today has become more boring than, ...

Though an estimated 60 million people around the world have atrial fibrillation, or A-fib, a type of irregular and often fast heartbeat, it's been at least 30 years since any new treatments have been ...