Ever check your smartwatch or Oura ring and notice your resting heart rate is higher than you expect? You do your best to ...

In some cases, these irregular beats may point to arrhythmia, a condition in which the heart beats too fast, too slow or irregularly because of a disruption in its electrical signals. To understand ...

Here’s what HRV is, how it works and what can cause it to rise or fall.

People who go to the gym often tend to stick to one side of the room: either the section with the cardio machines or the weight-lifting equipment. Dr. Nieca Goldberg, a cardiologist and clinical ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. In over a decade as a cardiologist, Dr. Tara Narula has seen a major risk factor for heart disease in ...

If you’ve ever glanced at your smartwatch mid-workout and wondered whether your heart rate is impressively low for how hard you’re working, or not high enough because you’re taking it too easy, you’re ...

Scientists created virtual replicas of patients’ diseased hearts so precise that blocking a dangerous irregular heartbeat in these digital “twins” showed doctors how to better treat the real thing.