If cardio is the only exercise you do, your body will still thank you in many ways. Regular aerobic exercise improves sleep quality, boosts mood through endorphin release, and supports faster calorie ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Doing cardio daily can boost endurance, heart health, ...

Want to boost your fitness without leaving the house? Discover the 10 best home cardio exercises, expert tips on fat loss, ...

You’ve seen them at the gym – the cardio bunnies who spend hours on the treadmill but never touch a weight, and the muscle-obsessed lifters who break into a cold sweat at the mere mention of running.

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 ...