Though an estimated 60 million people around the world have atrial fibrillation, or A-fib, a type of irregular and often fast ...

Lab-grown hearts with immune cells develop atrial fibrillation after chronic inflammation, offering a new way to test ...

In a world-first, scientists at Tel Aviv University have successfully 3D printed a tiny human heart using real human cells.

Your heart beats about 100,000 times a day. Sometimes it beats faster and sometimes more slowly, depending on what you're doing and whether, for instance, you're all worked up about something. So ...

Tom Brownlee does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...