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

They’re so easy to incorporate into your week.

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

Depending on the job you seek in the military, you should address any physical weaknesses in the following components of fitness: strength, power, speed, agility, endurance (run-ruck-swim), muscle ...

The fitness industry and its influencers have long preached toxic ideas of what a cardio workout needs to look like in order to “count”: that you have to burn a certain number of calories, feel ...

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 ...