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

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

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

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

A new study shows that when we listen to music, our eye blinks synchronize to the beat. This finding shows that our eye ...

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