Can Heavier People Really Be Healthier?

Scientists call it the obesity paradox, the notion that being overweight or moderately obere lowers the risk of an early death. They have documented the phenomenon in large population studies and in groups of patients with chronic diseases like hypertension and Type 2 diabetes

http://well.blogs.nytimes.com/2014/01/15/can-heavier-people-really-be-healthier/?_php=true&_type=blogs&ref=science&_r=0