wiredog writes "A recent paper asks the question: does monogamy cause drinking, or does drinking cause monogamy (PDF)? From the paper: 'Intriguingly, across the world the main social groups which practice polygamy do not consume alcohol. We investigate whether there is a correlation between alcohol consumption and polygamous/monogamous arrangements, both over time and across cultures. Historically, we find a correlation between the shift from polygamy to monogamy and the growth of alcohol consumption. Cross-culturally we also find that monogamous societies consume more alcohol than polygamous societies in the pre-industrial world. We provide a series of possible explanations to explain the positive correlation between monogamy and alcohol consumption over time and across societies.'"
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