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 ...

One leading cardiothoracic surgeon shares the lessons he has learnt from performing more than 10,000 heart operations ...

The human heart has the ability to repair itself, scientists have found, in a breakthrough that could provide a lifeline for hundreds of thousands of patients. When someone has a heart attack or heart ...

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 ...

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 ...

MSU researchers have created the first human heart-like “organoids” that enable the study of atrial fibrillation, or A-fib. The models also enable new ways of evaluating heart development, diseases ...

Australian researchers have uncovered a crucial new mechanism that helps explain how the heart's major blood vessels form during early development, and how disruptions to this process can lead to ...