The beat is intensifying. Every new electronic device these days – from your phone to your watch to your ring – seems to want ...

Heart rate variability is one of the main things your smartwatch or fitness tracker measures. Here's what it means.

It may sound dramatic, but the rate at which your heart is beating plays a key role in how long you’re likely to live. According to expert cardiologists and academic researchers, resting heart rate ...

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains why a lower resting heart rate can be a good sign of heart ...

What Does a High Resting Heart Rate Mean? The ups and downs of HRV can be so tricky to navigate, in fact, that most doctors, even cardiologists, don’t factor it into treatment plans for their patients ...

From Apple Watches to Fitbits to treadmills, there are more ways than ever for people to keep up with their vitals. So why does so much fitness tech check your pulse? Because your resting heart rate ...

If the numbers your watch sets for zone 2 don’t track with what you’ve found your heart rate to typically be during truly ...

If you prefer to keep one ear completely unobstructed for whatever reason, you might be happy to know you only need to wear one of your AirPods Pro 3 during a workout to track your heart rate. Both ...