One of the key contributing factors to a hangover is the amount of congeners (byproducts of fermentation) the drink has.

Question

Quizplus · Accepted Answer

Congeners are byproducts of fermentation and are found in alcoholic drinks. They contribute to the taste, aroma, and color of the drink but are also thought to be a major contributing factor to hangovers. The more congeners a drink has, the more severe the hangover can be.

One of the Key Contributing Factors to a Hangover Is