Exercising WON’T help you lose weight - #RAZOR #SHORTS [97HW2ND8Z1w]

Exercising WON’T help you lose weight - #RAZOR #SHORTS [97HW2ND8Z1w]

| 1h 28m 28s | Video has closed captioning.

Planning a new gym regime to burn those calories? It’s probably a good idea for many reasons but it might not help you slim down. Why? Because once you start to exercise more, your body adapts to save energy elsewhere. The overall result: active and inactive people tend to burn similar numbers of calories each day. To test this, evolutionary biologist Herman Pontzer conducted studies all over the world, including with hunter-gatherers in northern Tanzania. His results consistently supported the theory, as Emma Keeling found out: Follow @razorscience