Oura Rings, Garmin GPS fitness watches, Apple Watches, Whoop bands—every year, more and more tech devices are promising to monitor our health and fitness, guide us toward healthier living, and provide useful health metrics to take to our doctors. But few of t…
Oura Rings, Garmin GPS fitness watches, Apple Watches, Whoop bandsevery year, more and more tech devices are promising to monitor our health and fitness, guide us toward healthier living, and provide…