Every new year comes with big intentions — and the quiet fear that I'll end up doing exactly what I did last year.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Staying active and healthy throughout the year is a challenge we all face. While the difficulty can range ...

Try to do your daily run in the forest when it's hot out to protect yourself from the heat. Sunscreen is still a must, however. Christin Klose/dpa Even just lying on the couch can feel like strenuous ...

Martin Fritz Huber is a frequent contributor to Outside who previously wrote the In Stride column about running culture. He also works as a tree care professional in New York City. New perk: Easily ...

Dread the thought of having to work out in sweltering heat? Don’t sacrifice your fitness – exercise can still be ... Read ...

Not only does sweat have a different chemistry when it arises from stress, illness or exercise, but dogs can tell the difference. And so can super-smellers – people with an incredibly sensitive sense ...