The issue: Many runners (particularly women) report that their fitness trackers tell them they’re exercising in a higher zone ...

To manage stress, seek mental health support, whether that’s from family and friends, or a therapist, says Dr. Naidu.

Your heart is always active, but it is resting when you are calm and sitting quietly for extended periods. During this ...

Delhi cardiologist Dr Alok Chopra explains why your resting heart rate may be one of the most important—and overlooked—signals of heart health, and how tracking it can offer early warning signs.

For most people, it is. Your age and overall health help determine a healthy heart rate. Learn more about the causes and risks of a speedy pulse.

On Feb. 17, 2016, the gears ground into life at the massive Belo Monte hydroelectric plant, on the “Large Curve” of the Xingu ...

A cardiologist explains that resting heart rate reveals heart health, with normal range of 60-80 beats per minute. Consistently high rates may indicate stress.

SVT results in the heart beating at much faster rate than normal, and can be triggered by exercise, lack of sleep, ...

Most modern smartwatches offer countless insights into how our bodies perform. But what is this data really telling us about ...

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you ...

By the end of a brutal race or sportive, your body has been through through the wringer. But what exactly goes on under the bonnet?