July 14--A device a fraction of an inch long is providing George Saenz with a peace of mind he has never had before. Three weeks ago, the 67-year-old independent insurance agent had the Medtronic ...

Polar Launches Whoop-Like Screenless Fitness Tracker, No Subscription Needed The Polar Loop monitors activity, sleep, and heart rate in a design familiarized by Whoop. The key difference is a one-time ...

Heart rate is one of the most valuable physiological metrics for runners because it provides objective real-time insight into how hard your body is working. Unlike pace or distance, which are external ...

Alena is a professional writer, editor and manager with a lifelong passion for helping others live well. She is also a registered yoga teacher (RYT-200) and a functional medicine certified health ...

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