Working out in muggy weather can be brutal. Here are four ways to survive and thrive when it feels like a sauna outside. Credit...Justin J Wee for The New York Times Supported by By Danielle Friedman ...

Stretchable MXene hydrogel sensor tracks heart rate and respiration during intense exercise, staying stable under heat, ...

The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air temperature. Since heat index values were devised for shady, light wind ...

Does exercise in heat burn more calories? The short answer is yes; when you train and it’s hot out, your cardiovascular system has to kick into overdrive to cool the body down and maintain a steady ...

Exercising in the heat may help you burn a few extra calories. However, heat increases your risk of heat exhaustion, dehydration, or heat stroke, which requires immediate medical attention. The ...