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.

It might be time to start listening to your heart. In recent years, millions of Americans have incorporated wearable health ...

M odern smart watches can measure an array of health indicators. Step counts and heart rates sit at the simpler end, while VO2 max and blood-oxygen levels are mainly of interest to committed health ...

Respiratory rate, another metric in the Apple Watch vitals app, shows how many breaths you take per minute. This typically ...

Heart rate variability during sleep can predict stroke, depression or cognitive dysfunction years in advance, according to new research presented at the European Academy of Neurology Congress. The ...

A few of the most important insights are heart rate variability (HRV), which describes the difference in time between the ...

The rhythm of a healthy heart may seem steady, but underneath that regular thump lies a rich, ever-changing pattern. These beat-to-beat changes, known as heart rate variability, or HRV, reveal much ...

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...