This is the ultimate heart rate variability deep dive—nuanced, practical, and funny. I'll even share a story involving Andrew ...

Maybe you've noticed it happen to you. Scientists are racing to figure out what's going on.

Millions of people around the world wear smart rings and fitness trackers to keep tabs on their sleep, workouts, heart rate and even body temperature, all in the name of better understanding their ...

What is HRV: HRV measures the variation in time between heartbeats, reflecting how well your autonomic nervous system adapts to stress and recovery demands. Why it matters: High HRV is linked to ...

A Tour de France cyclist’s resting heart rate is less than half that of a normal adult male’s. They need regular monitoring ...

From sleep and stress levels to menopause symptoms, these devices can give valuable insights (but they’re not for everyone) ...

Garmin CIRQA recovery band trademark filings in Canada and Europe use language pointing to electrodermal activity (EDA) ...

One Beauty Editor shares how she's been converted to longevity trackers, and the one she loves, along with other best options ...

On July 18, Josh Kerr will chase the WR in the mile, but he's also chasing a feeling on the track. With Amazfit, he has ...

Tech-enabled fitness has moved from a niche habit into daily life. It is not just for athletes or people training for ...

The 2026 FIFA World Cup final in New York New Jersey stadium faces a significant health threat from wildfire smoke.

In barely a decade, the continuous glucose monitor has turned real-time blood sugar into a number that millions track on ...