Plus, the surprising benefits of turning the intensity down a notch.

HIIT can help improve speed and power, but longer, steadier workouts that you can do regularly, like swimming and rowing, are ...

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. October 21, 2025 Add ...

Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with ...

Stop waiting for a free hour at the gym; sports scientists prove that micro-bursts of vigorous activity are just as effective ...

For decades people have been reiterating the benefits of exercise. Looking for ways to feel better in your own skin and have more energy? Just exercise. Hoping to add years to your life? Move your ...

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 ...

They’re so easy to incorporate into your week.

When you want to add a little movement to your day, there’s nothing simpler than heading outside for a walk. You don’t need a gym or specific equipment—or even any special skills. All you’ve gotta be ...

Working out hard may fast-track your weight loss goals — especially if you’re a woman. A small study from the University of Virginia found that vigorous exercise suppresses levels of the “hunger ...