Millions of people live with atrial fibrillation, a racing, uneven heartbeat that can leave you exhausted and scared. Yet it ...

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 ...

Credit: Getty Images A discussion of the history and future of artificial heart technology with Dr Francisco Arabia and Dr Jack Renfrew’s experience with an artificial heart transplant. In May 2025, ...