Brazilian researchers reveal that even mild cases of COVID-19 can temporarily reduce heart rate variability, with stress on the autonomic nervous system lasting up to six months—especially in older ...

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 ...

In general, faster recovery rates indicate better health conditions for your heart. The balance of your nervous system between exercise 'fight or flight' responses and post-exercise 'rest and digest' ...

As the popularity of smartwatches, also called wearables, increases, so too does the amount of data users can access about their health. Statistics like resting heart rate, V02 max (maximal oxygen ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

When you stop exercising, your heart does not immediately come back to its normal resting rate. The heart returns to its normal rhythm at a gradual pace, during a process called heart rate recovery ...