1-th episode of 47-th season "Horizon"

What "Horizon" 1-th episode about

The world is affected by an obesity epidemic, but why isn't everyone succumbing? A controversial overeating experiment aims to identify why it's hard for some people to bulk up. This episode looks at what it is about some people that makes it hard for them to gain weight.

Episode number: 1

Episode name: "Why Are Thin People Not Fat?"

Episode release date: 26 january 2009 at 21:00

Status: aired