We’re told obesity is on the rise - globally. But if you think about it, how often do you see an obese Chief Executive, or tech entrepreneur, or politician even? Especially a female one. Perhaps the reason is because society discriminates against fat people. In this Why Factor we explore why it’s okay to be anti-fat, where that attitude comes from, and what it feels like to be on the receiving end of society’s prejudice. Presented and Produced by Gemma Newby Editor: Richard Knight Photo: A woman sits at the water's edge Credit: Getty Images