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Yes, Well Liquors Will Give You a Worse Hangover Than Top-Shelf Booze

Here’s the science of why

Alcohol is outrageously expensive, especially when drinking to get drunk at a bar (which is how many of us drink). Fortunately, we all know there’s a simple way to cut down on that cost: Stick with the well specials!

Why wouldn’t you? You’re drinking to get drunk, not to savor the smoky aroma of a top-shelf Scotch.

Of course, drinking from the bottom of the barrel does have one major drawback: Your hangover the next morning is going to feel like a speed metal drummer hammering on your skull with a rubber brontosaurus. What you’re not paying for with cash, you’re paying for in the form of a brutal, brutal headache and dizzying nausea.

Why does cheap booze seem to elicit worse hangovers, though? According to Dr. Aaron White, senior scientific adviser at the National Institute of Alcohol Abuse and Alcoholism, it’s probably because of impurities known as congeners. (Side note: While a low price is usually an indication of low quality, not all booze follows that pattern. So when we mention “cheap booze,” we’re really referring more to “low-quality booze” — whatever the cost.)

Put simply, congeners are byproducts of the fermentation process that our bodies struggle to process. As a result, alcoholic beverages containing more congeners result in worse hangover symptoms — and it’s widely believed that because cheap booze begins with lower-quality ingredients, more congeners are produced during the fermentation process.

Cheap booze is also typically distilled (or purified) fewer times than the top-shelf liquor, which is another reason they might contain more congeners and impurities.

It’s worth noting as well that darker liquors tend to have higher concentrations of congeners than their clear counterparts. A recent study found that bourbon (which leaches flavor, color and other congeners from charred barrels during the aging process) contains 37 times more congeners than vodka (which is purposefully purified). Which makes sense: The mark of a good vodka is zero flavor, whereas a good whiskey should have a distinct flavor, much of which comes directly from these congeners.

Of course, it’s important to consider that everyone reacts to these impurities differently. “For most people, sulfites — which are added to wine as a preservative — don’t cause headaches or make hangover symptoms worse,” White emphasizes. “But there are people who are very sensitive to sulfites, and get headaches and worse hangovers as a result of consuming sulfites in wine. I’m one of those people.”

So while there’s evidence that supports splurging on the good stuff, there’s also evidence that supports figuring out which liquor your body reacts best to first. And obviously, there’s only one way to do that…