Many smart people think that life in the suburbs make you fat -- and mean and angry and Republican, etc. Now we have news (thanks, Wendell Cox) from Australia that the suburbs actually make you thin!
It appears that having a large backyard to romp around in the early years has lifelong health benefits. So, a larger "footprint" in the way of low density living works out to a smaller "footprint" all the rest of your days in terms of how much it will take to support your appetite.