If you wear a fitness tracker, you’ve likely seen a stat labeled “HRV” pop up on your screen. But what does it mean, and does it matter? Short for heart rate variability, HRV has become a popular ...

If you wear a fitness tracker, you've likely seen a stat labeled "HRV" pop up on your screen. But what does it mean, and does it matter? Short for heart rate variability, HRV has become a popular ...

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 ...

Emotional connection enhances interaction in human relationships. Emotional synchronisation in the interaction between a child and a parent is essential for affective attachment. The relationship ...

Heart rate zones represent different percentages of your maximum heart rate. They can help guide the intensity and effectiveness of your workouts. The benefits of exercise are widespread and include ...

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 ...