The Drunken Monkey

Dudley, R. (2014). The Drunken Monkey: Why We Drink and Abuse Alcohol. Berkeley: University of California Press. 154 pp. [link] [youtube]

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Alcoholism, as opposed to the safe consumption of alcohol, remains a major public health issue. In this book, I present a novel evolutionary interpretation to explain both routine low-level consumption of alcohol as well as persistence of alcohol-related problems. Providing a deep-time, interdisciplinary perspective on today’s patterns of alcohol consumption and abuse, I trace the link between the fruit-eating behavior of tropical arboreal primates and the evolution of sensory skills required to localize ripe and fermented fruits that contain sugar and low levels of alcohol. In addition to introducing this new approach to the relationship of humans to alcohol, the book discusses supporting research, implications of the hypothesis, and the medical and social impacts of alcoholism.

Reviews:
“Chemistry: Intoxicating Science”, Nature (15 May 2014) [link]
“The Drunken Monkey”, Times Higher Education (29 May 2014) [link]
“The Drunken Monkey: Why We Drink and Abuse Alcohol”, American Journal of Human Biology (Nov. 2014) [link]

Representative media coverage:
“How evolution explains why humans drink and abuse alcohol”, Huffington Post (24 February 2014) [link]
“Drunken monkeys: does alcoholism have an evolutionary basis?”, LiveScience (11 April 2014) [link]
“An evolutionary explanation for why humans are hard-wired to drink”, Business Insider (11 April 2014) [link]
“Drunken Monkey”, This Way Up, Radio New Zealand (23 Aug. 2014) [link]

Scientific literature relevant to the “drunken monkey” hypothesis:      
Cains, S., Blomeley, C., Kollo, M., Racz, R. and D. Burdakov. (2017). Agrp neuron activity is required for alcohol-induced overeating. Nature Communications 8:14014. [link]

Gochman, S.R., Brown, M.B. and N.J. Dominy. (2016). Alcohol discrimination and preferences in two species of nectar-feeding primate. Royal Society Open Science 3:160217. [link]

Hockings, K.J. et al. (2015). Tools to tipple: ethanol ingestion by wild chimpanzees using leaf-sponges. Royal Society Open Science 2:150150. [link]

Dominy, N.J. (2015). Ferment in the family tree. Proceedings of the National Academy of Sciences USA doi:10.1073/pnas.1421566112 [link]

Carrigan, M.A., Uryasev, O., Frye, C.B., Eckman, B.L., Myers, C.R., Hurley, T.D. and S.A. Benner. (2015). Hominids adapted to metabolize ethanol long before human-directed fermentation. Proceedings of the National Academy of Sciences USA doi:10.1073/pnas.1404167111 [link]

Devineni, A.V. and U. Heberlein. (2013). The evolution of Drosophila melanogaster as a model for alcohol research. Annual Review of Neuroscience 36:121-138. [link]

Orbach, D.N., Veselka, N., Dzal, Y., Lazure, L. and M.B. Fenton. (2010). Drinking and flying: does alcohol consumption affect the flight and echolocation performance of phyllostomid bats? PLOS ONE DOI: 10.1371/journal.pone.0008993 [link]

Sánchez, F., Melcón, M., Korine, C. and B. Pinshow. (2010). Ethanol ingestion affects flight performance and echolocation in Egyptian fruit bats. Behavioural Processes 84:555-558. [link]

Mazeh, S., Korine, C., Pinshow, B. and R. Dudley. (2008). Does ethanol in fruit influence feeding in the frugivorous yellow-vented bulbul (Pycnonotus xanthopygos)? Behavioural Processes 77:369-375. [link]

Wiens, F., Zitzmann, A., Lachance, M.-A., Yegles, M., Pragst, F., Wurst, F.M., von Holst, D., Guan, S.L. and R. Spanagel. (2008). Chronic intake of fermented floral nectar by wild treeshrews. Proceedings of the National Academy of Sciences USA 105:10426-10431. [link]