Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

Before diving into the details, it’s important to remember that strength training and high-intensity cardio are not mutually exclusive, says Maricris Lapaix, CPT, a certified personal trainer at Centr ...

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 ...

While there’s no hard and fast rule, experts state one is (usually) better than the other. If you want to build a healthy, strong, and functional body, your best bet is to create a well-rounded ...

If you want to boost your cardio fitness, you’ve got two ways to level up your workouts: push harder or faster, or keep at it for longer. Each option comes with its own challenges. The first can ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If your weekly schedule looks like a jigsaw puzzle, squeezing in both cardio and strength training can be ...

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 ...