With an improved design and more features, the Oura Ring 4 has made its way onto my hand for good, but I'm not giving up my ...

The simple landlines once used to call friends or family evolved into omnipresent glossy screens that flood our brain with ...

Discover the simple method to calculate your true zone 2 range—and why getting it right matters for marathon success.

Every year, more than one million scientific articles are published in the life sciences. Two-thirds of them include ...

Zone 1 (minimal exertion): Your heart rate is ideal for warming up before your workout, cooling down after a workout or during a recovery workout (light training after intense sessions). Primarily in ...

Dating back to the 1970s, the term speedballing originally referred to the combination of heroin and cocaine. Combining stimulants and opioids – the former’s “rush” with the latter’s calming effect – ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains why neglecting your "second heart" can lead to health ...

Andrew Huberman, a neuroscientist and professor of neurobiology and ophthalmology at Stanford University School of Medicine, ...

If you have high blood pressure, getting regular exercise is important -- and your Apple Watch makes it easy to check it.

These are the best smart scales to buy in every category, from Withings Body and Garmin Index S2 to Renpho Elis 1.

More than 39,000 deaths, nearly 100,000 non-fatal heart attacks and up to 65,000 strokes in the U.S. could be prevented if ...

Heart rate variability (HRV) is a noninvasive marker for the cardiovascular system and the substantial influence of this system on the autonomous nervous system (ANS). Contact and remote ...