If you search for fitness tech, for example, one of our favorite fitness trackers, or hint at running or weightlifting while you're online, fitness ads will follow you around platforms like Facebook ...

It's expensive, but you get a lot of great analytics for the price—and the app keeps getting better. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer ...

We may earn commission from links on this page, but we only recommend products we love. Promise. But how did the WHOOP 4.0 stack up when Cosmo put it to the test? From its ease of use to battery life ...

Heads up: The Whoop 4.0 and more fitness trackers are on sale right now during Amazon's Big Spring Sale. Health and sleep trackers have been around for longer than you’d think, but they've only ...

With its clasp mechanism, changing the band on a Whoop 4.0 is a little different from your typical smartwatch or fitness tracker. Especially if you’re new to wearing a Whoop, it can also be tricky to ...

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. The Whoop 4.0 is still ...

Whoop has landed in hot water with the U.S. Food and Drug Administration (FDA) over one of its most eyebrow-raising features: Blood Pressure Insights. According to a formal warning letter issued to ...