Milliseconds of variability, now detected by fitness watches, can improve well-being Earlier this year I got an Oura ring to ...

When recording your heartbeat, look out for skipped beats, extra beats, or long pauses between beats, that can feel like ...

The DECAF trial shows that drinking one cup of caffeinated coffee a day may actually reduce atrial fibrillation or flutter.

Three new studies shed light on some common questions about atrial fibrillation: whether your morning coffee matters, whether ...

"I dropped onto the sidewalk, my arms wrapped around my bent knees. 'Take him inside, don’t let him see me,' I blurted out.” ...