Our medical experts vetted the best and most popular watches that monitor heart rate on the market for 2025.

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the best heart rate monitors we've tested.

LOVE Island’s sexiest ever Heart Rate Challenge sent hearts racing last night. The Islanders put on a raunchy display, sucking fingers, stripping off and even spanking each other but IT… ...

Complete heart block occurs when electrical impulses in the heart’s upper chambers (atria) don't travel down to the lower chambers (ventricles).

The Wahoo Trackr Heart Rate is a rechargeable chest strap that's easy to use and offers accurate readings, but has few extra features.

San Francisco Fed President Mary Daly joins 'Closing Bell Overtime' and CNBC's Steve Liesman to talk the state of the U.S. economy, falling inflation, what is ahead for the central bank and more.

The Apple Watch added electrocardiogram (ECG) heart measurements in 2018, and the feature has been saving lives since. Learn how to use it.

A groundbreaking study published in Nature Materials suggests that the heart’s aging may be influenced more by its surrounding environment—the extracellular matrix—than by the heart cells ...