Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

This 15-minute kickboxing workout is perfect for beginners! Get a full-body cardio session that burns calories, builds ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! If you're short on time and looking for a quick workout that ...

These are the top exercises you should be doing if you're new to exercise. It's no secret that getting enough exercise is vital for both your physical and mental health, but it can be difficult to get ...

High intensity workouts are a great way to get in some fast exercise. Here’s one to get started with. High intensity workouts are a great way to get in some fast exercise. Here’s one to get started ...

There's nothing better than a workout that doesn't feel like a workout, right? With this dance session, presented by VITAL PROTEINS® Collagen Peptides available at Walmart**, you'll look, feel, and ...

If you are looking for running workouts, you can take them to a local track. Look no further than this mix of intervals, sprints, resistance running and goal-mile pace workouts. Choose from the ...

It’s that time of year again: Gyms are packed with New Year’s resolutioners determined to get in shape after the holidays. In general, physical activity is key for boosting heart, brain, bone and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You've done hot girl walks, but have you tried hot girl power walks? That's right—your grandma's walking ...