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

Heart muscle cells grown from patient stem cells—known as human induced pluripotent stem cell–derived cardiomyocytes, or ...

Nurse scientist Linda Park, PhD, uses NIH funding to study cardiac rehab and digital tools—like pedometers and apps—to ...

Rising rates of heart rhythm problems are colliding with an aging population and crowded hospitals. At the same time, many ...

More brands are launching screenless trackers to keep you focused, not distracted. I tested the Polar Loop to see if it delivers.