Horizon: The Truth About Fat

Surgeon Gabriel Weston discovers the surprising truth about why so many of us are piling on the pounds and how we could fight the fat epidemic. She discovers the hidden battles of hormones that controls all our appetite, and sees the latest surgery that fundamentally changes what a patient wants to eat - by altering how their brains work. Gabrielle is shocked to find out that when it comes to being overweight, it's not always your fault you're fat