Maybe you drank responsibly. Maybe you volunteered to be a designated driver. Maybe you never drink.
Then again, maybe you drank.
A lot.
If New Year's Day has dawned too bright, too loud and too nauseating, have no fear: What follows is a surefire cure for hangovers.
Kidding!
There is no magic cure. In fact, science knows remarkably little about being hung over.
One problem is the number of variables. People drink when they're happy as well as sad, when they're bored as well as nervous.
The effects of overimbibing differ depending on whether you're a man or a woman, what you drank, the mixer in a cocktail, what you ate, how much sleep you got, your metabolism, maybe even your bank balance. (Those Manhattans don't pay for themselves.)