The Science of a Hangover: 3 Things That Make You Feel Miserable
(Credit: Hernandez/San Jose Mercury News 2008/MCT)

Hangovers are hell. Pounding headaches, jittery hands and a dry mouth that even an Olympic-sized pool full of Gatorade cannot quench—the pains of the morning almost outweigh the fun of last night…almost. Ever wonder what it is that makes a hangover so horrible? Well, some science dudes explain that are three things that contribute to those awful symptoms: dehydration, acetaldehyde overload and something called the congener connection. Click on the video above for a breakdown.