For many people, the holidays mean more parties and more occasions to drink. But if you've noticed that one cocktail hits you harder than it used to, there's a scientific reason to explain it.
Once upon a time, a drink or two at a holiday party went down the hatch with no problems. Now, it's a recipe for misery the next morning.
Sound familiar? Dr. Monica Christmas of the University of Chicago Medicine says it's a common lament as people e... [3286 chars]