Milliseconds of variability, now detected by fitness watches, can improve well-being Earlier this year I got an Oura ring to ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

Coulson is one of about 100 Memphis healthcare workers testing a new tension tracker created by University of Memphis ...

A new heart monitoring system combining 3D printing and artificial intelligence could transform the way doctors measure and ...

Our top picks for the best running apps cover everything you need for epic workouts. From adaptive training plans to guided ...