Why People Swear By "Hair Of The Dog"

The reason everyone believes alcohol cures a hangover is because it absolutely, totally feels like that. And that's all that matters, right?

The origin of the expression “the hair of the dog” has just about as much myth as its actual definition. Stemming from the old belief that you could cure rabies by drinking a potion concocted with hair from the dog that bit you, the superstition now plays as a metaphor for the world’s wildest beast: alcohol.

Supposedly – and I use that word as a decade-plus drinker – if you wake up with a hangover, putting more booze in your system will work as the wrecking ball cure. A fair percentage of your friends, from all walks of life, will swear by the practice’s effectiveness – except for maybe the doctors and nurses in your lives.

That’s because “hair of the dog” doesn’t work, at least not the way you hope. The reason everyone believes alcohol cures a hangover is because it absolutely, totally feels like that. And that’s all that matters, right?

Here’s What’s Really Happening


But we can still partake in boozy brunches, right?! Photo: @cocogaliano / Instagram

Drinking booze the morning after a wild night is less of a cure and more of a sneaky, temporary fix. It’s a distraction, a mask, a tasty yet wholeheartedly misleading experience.

“[Alcohol] will provide a numbing effect, but all you’re doing is prolonging the inevitable, and it will likely make your headache worse,” says Dr. Daniel K. Hall-Flavin, an addiction psychiatry consultant at the Mayo Clinic, in an interview with Men’s Health.

Experts will also undoubtedly remind you that trying to cure alcohol with alcohol is a vicious cycle and a step toward dependency, so there’s that. But the medical field’s recommend cure for a hangover is to “not drink so much,” to begin with, so take it all with a grain of salt.

Here’s Another School Of Thought


A book titled Proof that’s admittedly just a hypothesis? I’m confused. Photo: @azuojai / Instagram

Some folks think that may not totally be the case. Adam Rogers, Wired editor, author of Proof: the Science of Booze, is one such individual. Though he admits it’s “hypothetical” at best, Rogers suggests that methanol, found in booze, is at least somewhat a driver of a hangover.

His thought is to drink more alcohol, which also includes ethanol, so it’s kind of like fighting fire with fire within yourself. His excellent reasoning is that doctors prevent methanol poisoning by giving patients ethanol before the body transforms it into formaldehyde.

Here’s What Actually Works


Don’t tell the guys who named their brewery after the phrase. Photo: @mutt321 / Instagram

If you’re hungover, you need water, and there isn’t a lush alive who doesn’t already know that. Alcohol causes dehydration, so water is the safest, most universal kick to any hangover. It’s just that we, stubborn, illogical, off-the-leash boozehounds, tend to prefer reasons that justify potato tacos and Bloody Marys for breakfast.

Sports drinks and Pedialyte are reliable alternatives as well though they’re just as good as water at best. The whole “I need to replace my electrolytes” sounds cool, maybe even futuristic, but it’s mostly unnecessary.

You can also exercise. While the notion of “sweating out” booze is also a myth— I know, I’m a buzzkill— endorphins will at least help your mood. But cardio is also a very quick way to become more dehydrated, so keep that in mind.

Otherwise, stay wild (and safe).

For more stories like this, check out Check Out What Happened When I Microwaved a Steak, as well as 100 Million George Foreman Grills Can’t Be Wrong.