"In primates, it could be that when you smell alcohol, that means that's where the sugars are. In other words, the scent of fermentation might be a shortcut to getting more calorie-dense food. Maybe it's this tendency to associate a sugary reward with alcohol consumption that explains where human attraction to inebriating substances first originated and why we still gravitate towards it today."
"To be clear, monkeys and apes are not likely consuming enough alcohol to get drunk. But an ancient affinity may explain why humans are drawn to the stuff to the point of intoxication. As Maro puts it, this could represent a profound mismatch between the way we live today and the way we evolved."
"Maro had already shown that many of the ripe fruits that typically make up the chimp diet in Uganda and Cote d'Ivoire contain a good amount of ethanol. But he wondered if the animals were actually consuming the alcohol hence all the urine collection."
Researcher Aleksey Maro collected chimpanzee urine samples in Ugandan rainforests to investigate alcohol consumption in primates. Analysis revealed that chimpanzees consume ethanol from ripe, fermenting fruits they eat naturally. This finding supports the drunken monkey hypothesis, which proposes that human attraction to alcohol originated evolutionarily. Primates may have developed an affinity for alcohol's scent as a signal indicating sugar-rich food sources. While primates don't consume enough alcohol to become intoxicated, this ancestral tendency may explain why humans are drawn to alcoholic substances today, representing a mismatch between modern consumption and evolutionary adaptation.
#drunken-monkey-hypothesis #primate-alcohol-consumption #evolutionary-biology #human-behavior-origins #chimpanzee-research
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