Dear hangover: hope you enjoy your day. Love, congeners. What does this affectionate letter have to do with your pounding headache? 

A congener is a by-product of alcohol’s fermentation process which contributes to spirits’ overall flavor notes and colors. These include compounds like acetaldehyde and esters, thought to also contribute the symptoms of your hangover. Every rose has its thorn, right?

Use today’s Word of the Day: 8 Ways To Survive A Wicked Hangover