It's almost New Year's Eve, and many will be ringing in 2016 with champagne, wine, beer and cocktails. But for those who overindulge, the next day is accompanied by another tradition: the New Year's Day hangover.
In this episode of Reactions, we look at the chemistry behind the lousy effects of a hangover and offer some tips to limit its symptoms.
Check it out here and impress your friends this new year:
Explore further: How to prevent, treat a New Year's hangover