Commentary: Your watch already tracks heart rate, but turning on this view helps you adjust your workouts in real time.

At least 1 in 5 adults in each U.S. state live with obesity, new data from the Centers for Disease Control and Prevention ...

There is another reason to hit the gym. As youngsters battle loneliness, gyms are hosting socials. At Equinox, Friday ...

AMD declined significantly from its peak set early this year. Check out AMD stock's short-term and intermediate-term analyses ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! It's hard to believe it's already September: The ...