Chimpanzees consume equivalent of a beer a day in alcohol from fermented fruit

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Chimpanzees in the wild consume about 14g of pure ethanol daily through fermented fruit, equivalent to half a pint of beer.
Researchers studied ethanol levels in fallen fruit in Kibale (Uganda) and Taï (Ivory Coast) national parks.
Chimps eat 5-10% of their body weight in ripe fruit daily, leading to substantial alcohol intake despite low individual fruit alcohol levels.
The 'drunken monkey' hypothesis suggests human alcohol attraction stems from primate ancestors' consumption of energy-rich, fermented fruit.
Chimps show no obvious signs of inebriation despite consuming about 4.5kg of fermented fruit daily.
Other animals, like slow lorises, also consume alcohol, showing it's common in the animal kingdom.
The NHS recommends no more than 14 units of alcohol per week for humans, but studies show no healthy level of consumption.

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