Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...

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 ...

Heart rate variability can tell you whether to take it easy or aim for maximum intensity to achieve optimal results – but only if you measure and interpret it properly.

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 ...

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 ...

In addition to the effects on red blood cells, endurance exercise leads to other mechanisms that help the heart become stronger and more efficient, therefore lowering resting heart rate, says Tamanna ...

When one partner is stressed, the other feels it too—not just emotionally, but on a biological level. New research on heart ...

Whoop is a top fitness and health tracker – and one of my favorite devices at Wareable. But if you want to check your heart rate, it can be a little hard to find. I’ve been using Whoop for years – so ...