But if you can force yourself to run a marathon every other day, you'd very likely also be able to stick to a healthy diet. So both kind of depend on self-contr

But if you can force yourself to run a marathon every other day, you'd very likely also be able to stick to a healthy diet. So both kind of depend on self-control – or whatever one wants to call it – and it would be interesting to know what exactly makes modern (or western?) people so different in this regard, as well as the difference between individuals with a similar background.