Benquo comments on Open thread for January 1-7, 2014 - Less Wrong Discussion
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What's scientifically known about hangovers
Debunks the common notion that hangovers are about dehydration. The reason it caught my eye is that I believed the dehydration theory, even though I should have known that extreme sensitivity to sound isn't a normal symptom of dehydration. (I've never had a hangover, but at popular accounts include sensitivity to sound and light.)
I'm wondering how I can become skeptical enough.
Interesting - I've had a plenty of nights of drink, including some where I felt unwell the next day, but never had either of those symptoms. I have, however, woken up recognizably dehydrated a couple of times.
I wonder whether some of the "myth" comes from the experiences of people like me, accurately reported but for some reason not defined as hangovers by the researchers behind the study cited.
I've mistaken caffeine withdrawal for a hangover before, partly because of similarity in symptoms (headache; nausea; photosensitivity) and partly because it tends to show up around the same time (Sunday morning). This may account for the popularity of coffee as an alleged hangover cure.
Which raises the question, if the things people say about "hangovers" are true about the things they apply the term "hangover" to, what's left to be debunked?
The belief that the things they're talking about are caused narrowly by overuse of alcohol?
But isn't the claim being "debunked" that hangovers are mainly dehydration, not the direct effects of alcohol?