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.

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 ...

LONDON — Wearables measure several aspects of health, and heart rate variability might be one of those. It may be surprising when your device informs you that your heart rate variability is high or ...

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

Researchers at Google say they used existing noise-canceling headphones to get pulse readings by updating their software. Researchers at Google say they used existing noise-canceling headphones to get ...

Heart rate variability (HRV) measures the fluctuations in time between heartbeats. While it isn’t a health metric you need to overthink, HRV is an indicator of how well the body can adapt to and ...

Healthy hearts are adaptable, and heartbeats exhibit complex variation as they adjust to tiny changes in the body and environment. Mass General Brigham researchers have applied a new way to measure ...

Healthy hearts are adaptable, and heartbeats exhibit complex variation as they adjust to tiny changes in the body and environment. Researchers have applied a new way to measure the complexity of pulse ...

The best heart rate monitors will track your heart rate comfortably, consistently and accurately ...

A new study from Mass General Brigham researchers reveals that heart rate complexity could serve as an early indicator of cognitive decline in older adults. The research, published in the Journal of ...

The U.S. Army’s Future Vertical Lift program will introduce the next generation of U.S. Army aircraft. The complexities of the newly automated systems will increase speed and range during operational ...