Its official; there are now more fat people than skinny people in the world. Obesity is the biggest health crisis on the planet. For the first time in history children are facing shorter lives than their parents. Over the last 35 years, obesity rates have more than doubled leading to a massive and rapid increase in heart disease, kidney problems, high blood pressure and type 2 diabetes. How did we go from obesity rates of 9%, to 30% in less than a generation?