In terms of fitness tracking, it delivers: excellent GPS accuracy, heart rate, stress and sleep trackers, plenty of sport ...

From chest straps to wrist-based wearables, these are the top heart rate monitors I've tested and recommend buying.

The Reebok Smart Ring includes heart rate tracking, sleep quality, activity levels, recovery statistics, and more. There's ...

The most common feature across all wrist-based fitness trackers is heart rate (HR) monitoring. Most devices use optical sensors, which work by shining light into your skin to measure blood flow. A ...

At least 26 million people worldwide have congestive heart failure, and heart failure itself is the leading cause of death globally. Congestive heart failure doesn’t happen suddenly, and if you don’t ...

Forget the 10,000-step myth! New research suggests combining your daily step count with heart rate data offers a better ...

Today's GPS smartwatches and other wearable devices give millions of runners reams of data about their pace, location, heart ...

Atrial fibrillation, or A-fib, is the most common type of arrhythmia, affecting at least 2.7 million people in the United States. This number is expected to grow to more than 12 million by 2030, which ...