Strengthening muscles and raising your heart rate, this Ben Bruno-approved workout could save you time in the gym ...
Plus, the surprising benefits of turning the intensity down a notch.
Official recommendations vs. your goals.
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 ...
Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...
When I think of walking for cardio, I picture Jane Fonda-vibes outfits (hello, brightly-colored, high-cut Spandex and sweatbands), wrist and ankle weights, and wildly pumping arms. And then I shrug it ...
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 ...
Stop waiting for a free hour at the gym; sports scientists prove that micro-bursts of vigorous activity are just as effective ...