When Herman Pontzer began studying the metabolisms of the Hadza, a tribe of modern hunter-gatherers in Tanzania, for a 2012 study, he assumed they’d be incinerating calories like a furnace. They were ...

Emerging research suggests women’s cardiovascular systems may respond more strongly to physical activity than men’s, raising ...

Let’s start thinking differently about exercise. Here’s how we know. Animal exercise studies typically run rats for weeks on running wheels. The animals gleefully run every night, sprinting several ...

Any time is better than never, but research suggests you can score even more blood sugar benefits by carving out time to ...

A brief, intense workout may do more than boost fitness—it could help fight cancer. Researchers found that just 10 minutes of ...

You start a workout routine with genuine enthusiasm, but within weeks you’re finding excuses to skip sessions, feeling unusually tired, or mysteriously losing motivation. You blame laziness or lack of ...

When I first started my fitness journey, I wanted to maximise my workout. If I was going to be sore and sweaty, I figured I might as well make the most of it. Building fitness requires pushing your ...

Young Hispanic female intensely pedals a stationary bike in a gym. She wears a blue sports bra and white pants, surrounded by gym equipment, under warm gym lighting. When Herman Pontzer began studying ...

When Herman Pontzer began studying the metabolisms of the Hadza, a tribe of modern hunter-gatherers in Tanzania, for a 2012 study, he assumed they’d be incinerating calories like a furnace. They were ...