Researchers at the University of California, Santa Cruz have found a low-cost way to track heart rate via Wi-Fi and a simple ...

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

A resting heart rate is the simplest way to gauge your overall health. Here’s what you should know about its normal range, ...

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.

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and ...

Heart rate is one of the most basic and important indicators of health, providing a snapshot into a person’s physical activity, stress and anxiety, hydration level, and more. Traditionally, measuring ...

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 ...

Working out in the cold doesn't have to be hard ...