Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

I Ran 30 Miles Testing 5 Smartwatches to Find Out Which One You Can Actually Trust ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

A team of obstetricians, gynecologists and data analysts from West Virginia University School of Medicine and the West Virginia University School of Public Health, working with colleagues from WHOOP ...