FOR MOST OF human history, "working out" wasn’t really a thing. Sure, athletes and warriors conditioned their bodies to excel in the arena and battlefield, but everyday men and women simply didn’t ...

Have you ever observed a baby in action, figuring out how to crawl or dropping into a squat with perfect form? It’s one of the best ways to understand primal movement, a type of workout based on ...

We can’t imagine our Paleolithic ancestors sinking into a couch, absorbed in a digital screen, because they didn’t have digital screens, and life was definitely different back then. One of the fitness ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...