This article suggests that it is the size of your waist not your weight which is more likely to increase the likelihood of premature death. Researchers found that people were more likely to die an early death even if they were not considered to be overweight or obese. They found that people with a large waist, that's more than 120cm for man and 100cm for women had double the risk of dying prematurely compared with people who had a slim waist, less than 80cm for men and 65cm for women. According to the research excess weight is more harmful around the stomach than extra weight around the legs and hips. It appears from this I should stop worrying about my large bottom and put more effort into keeping my tummy trim.