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 ...

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 ...

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 ...

For many people, summer is an opportunity to bring their exercise routine out of the gym and into the great outdoors. But as heat waves, wildfires and smoke-choked skies become commonplace for more ...

Extreme heat makes it especially hard for your body to cool down, so you need to be extra careful if you exercise or play sports when it’s baking outside. Move. Cheer. Dance. Do the wave. How to tap ...

Oklahomans are urged to adjust outdoor workouts and stay hydrated as extreme heat persists. As temperatures in Oklahoma climb into the upper 90s and could top 100 degrees this weekend, outdoor ...

"It's not the heat, it's the humidity." Actually, it's both, and that's where the National Weather Service's heat index comes in. Also known as the apparent temperature, the heat index is a number ...