Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Season 46 · Episode 1 ·
Why Are Thin People Not Fat?
The world is affected by an obesity epidemic, but why is it that not everyone is succumbing? Medical science has been obsessed with this subject and is coming up with some unexpected answers. As it turns out, it is not all about exercise and diet. At the centre of this programme is a controversial overeating experiment that aims to identify exactly what it is about some people that makes it hard for them to bulk up.
18 episodes
No episodes match your search.
Titles you might also enjoy
About
Episode 1 of season 46 of Horizon: “Why Are Thin People Not Fat?”. Aired 2009-01-26. Watch it online free on ZapFlix.