For the over 1 million Americans who survive severe traumatic brain injuries each year, the road to recovery is often long and challenging. Disruption of the autonomic nervous system, which controls ...

The time it takes the heart to return to its baseline rhythm after exercise can predict a host of cardiovascular or metabolic disorders. In a new study, scientists at the University of Illinois Urbana ...

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 ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

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 ...

These days, it may seem like there’s a million different data points that you’re supposed to keep track of—hello, steps, sleep, and recovery scores!—and it’s difficult to know which ones are worth ...

I’ve been fortunate enough to wear the Oura Ring 3 and Oura Ring 4 since their inception, and there’s no end to the innovative features Oura continues to release on both rings, truly making them the ...

Heart rate – the amount of times that your heart beats in a minute – is a tool that many runners use in training. But it’s what goes on between those beats that indicates how well you’re recovering, ...