Are you lying about how much you drink or just grossly underestimating? It’s pretty much going to be one or the other for the average person writes Keith Humphreys at New York Mag’s Science of Us blog:
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One of the enduring mysteries of alcohol research is that when you tally up all the booze that people report consuming when they are surveyed about their drinking habits, it rarely adds up to even half of the alcohol sold. So either we pour half of the liquor we purchase into the sea (could this be the origin of the phrase “drank like a fish”?) or we tend to forget — or intentionally lie about — how much sauce we imbibe. A clever new study in the journal Addiction provides clues about who is worst at owning up to the full extent of their drinking.
The researchers surveyed over 40,000 people with standard alcohol survey questions about their quantity and frequency of alcohol consumption — “How many drinks have you had in the past month?” and so on.