Men who were obese but fit had a 30 percent higher risk of premature death, compared to thin couch potatoes.
- National Post: Fat but fit worse than slim and lazy: Study demolishes myth that exercise makes up for obesity, scientists say
- Int. J. Epidemiol: Aerobic fitness in late adolescence and the risk of early death: a prospective cohort study of 1.3 million Swedish men
Interestingly the whole idea that moderate excess weight might be good – the so called obesity paradox – is probably fake. According to a recent study it can be explained by the fact that smoking and many diseases cause weight loss:
When excluding smokers and people who recently lost weight, the normal weight people lived the longest.
To be a non-smoker and at normal weight is probably best for a long life – just as one might expect. And to be fit is a bonus.