Thanks to wearable devices, you can use all sorts of metrics to keep track of your health. You can check your weight, blood ...

If you own a fitness tracker, you’ve likely come across the term HRV (heart rate variability). You may have even seen people proudly posting their HRV numbers on Instagram. But what can the ...

HRV has long been used by elite athletes to dictate their training schedule and it has now become a "buzzword" among the broader community.

The measurement of heart rate variability (HRV) is a remarkable index of cardiac autonomic dysfunction. The aim of this study was to examine the effects of long-term exercise training on HRV in type 2 ...