Sometimes, you get to the gym in high spirits, ready to sweat it out. But other days, you might be pressed for time, squeezing in a workout between brunch and dinner plans. Or maybe you start to feel ...

You probably know zero exercise is not enough and that going for a walk every day is generally a good thing. And if you’re training for a marathon, you’ll be on your feet for a couple hours of hard ...

BOSTON - Massachusetts researchers say it's equally beneficial to measure exercise by how long you exercise and how many steps you take. Researchers at Brigham and Women's Hospital looked at data on ...

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. January 12, 2026 Add ...

Most of us know that exercise is good for our health, but beyond that, the world of exercise and energy can be intimidating ...

If you’ve ever thought physical activity doesn’t “count” unless it’s intense, this study may change your mind.

The Sesame Street character known as The Count would love modern exercise. That’s because there is a lot of counting. But should we count the steps or the time we spend when it comes to chasing ...