All these remedies have at least some scientific backing.
Asparagus
According to a new study, asparagus contains compounds that reverse the negative effects of alcohol on human cells. Unfortunately asparagus leaves are more potent in this regard than the commonly-eaten shoots, meaning an extract might be more useful than just eating a lot of the vegetable (although a tasty-sounding recipe for the dish above is here).
Source: shewearsmanyhats.com
Caffeine
In 2011, researchers did some terrible-sounding things to rat brains and determined that the culprit behind hangover headaches is a chemical called adenosine. The best antidote: caffeine. Of course, caffeine also serves the secondary purpose of waking up after a late night out on the town (not applicable to rats).
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Advil
The same study showed that an anti-inflammatory similar to ibuprofen (the active ingredient in Advil) had a similar hangover-reducing effect. Popping Advil when you have a hangover headache is kind of a no-brainer — but now there's science to back you up. Be warned, though — habitual heavy drinking and Advil use can be bad for your stomach lining.
Via: eclectic-euphoria
Cactus
Yes, extract from the prickly pear cactus can apparently prevent hangover-related nausea and dry mouth, according to a 2004 study. However, you have to take it before you drink. The prickly pear margarita may be a partial solution.
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