Do you even know what HIIT stands for? We have the answer to that—and more.

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. So where should you ...

You don’t have to strain your knees by running miles to get your cardio in. In fact, if you’re looking to ease into fitness in a way that puts less pressure on your joints, then low-impact cardio ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...

When it comes to protecting your heart, most people immediately think of walking, jogging, swimming, or cycling. While these ...

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. I first tried the ...

Experts detail the best workout for fat loss, heart health and longevity between strength training and cardio, and how to combine both for maximum results. New research suggests strength training can ...

Staying active after 60 is one of the most effective ways to preserve independence, maintain muscle mass, and reduce the risk ...

Exercise is a key part of a healthy lifestyle, but being physically active in Oklahoma’s intense heat may prompt people to ...