How Far Can the Human Body Go?
The Infinite Monkey Cage
00:00
We're the Only Species That Exercises for No Reason
We are apparently the only species that exercises for a non-beneficial reason, he says. We have got so much energy and can afford to burn it on a regular basis. There's almost a by-product of our very efficient lifestyles - we're more infertile than other animals. He is making a documentary about the decline in male sperm count globally.
Transcript
Play full episode
