Viral 75 Hard fitness challenge promises rapid weight loss through extreme daily rules and mental toughness, but experts warn ...

IT’S the jaw-dropping challenge that’s taken over our TikTok FYP, but will ‘75 Hard’ do more damage than it’s worth? Countless celebrities have documented their journey enduring the exhausting ...

Sticking to new habits isn't easy in the new year, especially when they mean giving up old ones that make you feel good—at least temporarily—like hitting up the drive-thru (even if you get the ...

Hilary Hoffman built her fitness business from a side hustle based on her experience finding the right workouts to balance with her busy finance career.Courtesy of Hilary Hoffman/SotoMethod Finding ...

If you work out regularly—or even just once in a while—you’re probably familiar with hitting “the wall.” Hitting the wall can happen when you’re out for a jog and finishing the rest of your planned ...

Why workouts should feel like recess instead of punishment.

The bodyweight moves packed a punch.

I’ve always been partial to Dunbar, the character in Catch-22 who seeks out boredom and discomfort in order to make time pass more slowly, thus effectively prolonging his life. It’s a sensation that’s ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I first tried the ...

Finding the right balance for your workout intensity can help you make more progress in less time. There are signs a workout is needlessly hard, such as excessive exhaustion or a certain kind of pain.