It turns out that most of us seriously underestimate how much we drink. Not by a little either. By as much as 50%! And the more fun you're having with your friends, the less likely you are to stop at one drink!
So, now what do you do? 'Men's Health' says the best cure for a hangover is water. Lots of it.
I usually go for something greasy, and that seems to bring some relief, as well.