It depends, of course. But on what exactly? Running coach Matt Fitzgerald explains a simple process of finding your ideal heart rate.

Respiratory rate, another metric in the Apple Watch vitals app, shows how many breaths you take per minute. This typically ...

Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with ...

In A Nutshell Brazilian researchers tested 72 panic disorder patients in a head-to-head trial: high-intensity sprint ...

Sports watches, massage guns, smart rings, portable saunas… I could go on. There has never been more tech promising to keep you fighting fit, but here's the tech I personally use ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

If you're curious about your heart health, there are quick tests you can perform at home -- no equipment required.

Discover how smart rings 2026 track sleep, HRV, and fitness metrics. Compare Oura Ring 4, accuracy rates, battery life, and ...

Discover how the Evie Ring women's health tracker uses temperature monitoring, menstrual cycle tracking, and sleep analysis ...

And how you can burn more calories walking in less time.

Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.