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

It may be surprising when your device informs you that your heart rate variability is high or low, but what does it mean? Elijah Behr, M.D., a cardiologist at Mayo Clinic Healthcare in London ...

If you own a fitness tracker, you’ve likely come across the term HRV (heart rate variability ... in the comparison trap with your gym buddy's high HRV numbers, we should work on increasing ...

It may be surprising when your device informs you that your heart rate variability is high or low, but what does it mean? Mayo Clinic Healthcare cardiologist Dr Elijah Behr explains heart rate ...