The Science of Hangovers

By Casey Chan on at

Hangovers only exist because they keep us from partying and drinking and going nuts every single night. It's a fail-safe for humans so we don't all devolve into permanently-drunk wrecks. It's payment for fun. It sucks. But what's the real science behind it? It all boils down to three things.

Dehydration. Acetaldehyde. Congener. Damn those three things. Damn them in the morning. Damn them in the afternoon. Screw them at night. [SciShow via Viral Viral Videos]