Shopping while hungry leads to more non-food purchases
This comic by The Oatmeal, check out his site for more awesomeness.
Ever go shopping when you’re hungry and notice you walked out with a lot more than you were expecting to buy? While most people know that when you are hungry, you typically will buy more food (as illustrated by The Oatmeal above), new research shows that there is a clear link between hunger and buying non-food items. A team of international researchers has released a paper that describes five laboratory and field studies they conducted which showed how people respond to non-food objects when they are hungry.
Lunatic Laboratories 