Ready to take your training to the next level? Here are the best heart rate monitors to track your fitness and health goals ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

"Do not view HRV as a stress score, but rather as a nervous system resilience score." ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

For HRV, you'll need a smartphone app or wearable device that can detect the subtle variations between heartbeats. Take ...

Dear Dr. Roach: My heart rate variability (HRV) on my heart rate tracker has ranged from 12-14 ms for years now. I read that this means something is going on inside me. Do you have any insight into ...

Please provide your email address to receive an email when new articles are posted on . Mental stress-induced autonomic dysfunction may be cause of stress-induced myocardial ischemia in stable CAD.

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

Apple, Garmin, Samsung, Google or Amazfit? I put these watches through the paces to see where they land on step, distance and ...