(which is often no more than a couple of hundred metres each way) or the supermarket car park, the needs of those on foot seem to be forgotten, or at least neglected. It is obesity, that has been shown in many studies. A lack of exercise might cause obesity as much as too much food - but it's the obesity that kills. This much is obvious, rest of article is pointless and obfuscatory, perhaps doing some research might be a good idea. Anyhow, the focus should be on: 1. More sport in schools and on the weekend for both children and adults 2. Jamie's ideas about school dinners are brilliant, and should be supported whole heartedly by any government that had any shred of decency or basic capability 3. Same with hospital food Yes of course there is, there's plenty. You just eat less than the energy lost through exercise: that is simple physics Perhaps, but the body expends far fewer calories through exercise than is often supposed. Taubes quotes some little factoid about how you'd have to walk up and down the stairs 20 times (I can't remember the exact figures) in order to burn off the calories gained in eating one slice of bread. You'd be much better off just passing on that extra slice of bread. Added to the fact that, by its very nature, strenuous exercise increases the appetite, then I think there is a strong argument to be made that exercise is at best an