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For those of you searching for an antidote to excessive holiday cheer or one New Year’s toast too many— we bring you “hair of the dog” or a drink to combat the hangover. This “dog” takes many forms, most commonly a variation of a Bloody Mary but may also include concoctions of gin, whiskey, tequila or beer. But what is the origin of this curiously named tonic? It can be traced back to medieval times and an abbreviation of the longer phrase “the hair of the dog that bit you.” It is based on the ancient folk treatment for a rabid dog bite of putting a burnt hair of the dog on the wound.
John Heywood, in his 1546 compendium, A dialogue conteinyng the nomber in effect of all the prouerbes in the Englishe tongue, uses the phrase with a clear reference to drinking:
I pray thee let me and my fellow have
The remedy works with the belief that a small amount of whatever caused the ailment, is also the best cure. While hair of the dog is now dismissed as an effective treatment for rabies, the taking of additional alcohol to cure a hangover has some scientific basis. The symptoms of hangover are partly induced by a withdrawal from alcohol poisoning. A small measure of alcohol may be some temporary relief. Many experience drinkers swear by it, and one can make a case that it does work .. but only for a short time and then you're back to the hangover, only worse. Your body contains an enzyme, alcohol dehydrogenase. It breaks ethanol down into the other chemicals that are making you ill. Adding more alcohol (ethanol) makes your body stop and concentrate on the new alcohol coming in so you do get a brief reprieve, but as soon as that added alcohol gets processed, you're back where you started but with even more toxic chemicals floating around. Unless you intend to keep drinking forever, hair of the dog is a temporary remedy at best. Instead, may we suggest a nice cuddle with your dog for what ails you …?!