> Medical costs are almost 20% of US GDP. even if you are in private medical care, you're still subsidizing obese insurance customers in the same risk pool to s

> Medical costs are almost 20% of US GDP. even if you are in private medical care, you're still subsidizing obese insurance customers in the same risk pool to some extent. Not if the risk pool is priced correctly. If it's priced correctly, there are no cross-group subsidies. > you have to factor in the wider economic effects of lost productivity Not at all. They're paid less. Surely you're not going to argue that they owe "full productivity"? If so, there are lots of other things that affect productivity, so what makes obesity special?