Chimpanzees' Boozy Secrets: Urine Analysis Confirms Alcohol Consumption

The urine of chimpanzees has been found to contain high levels of alcohol byproduct, most likely due to the chimps regularly indulging in fermented fruit, according to a new study published in the journal Biology Letters. This finding provides further support for a hotly debated theory regarding the evolutionary origins of human attraction to alcohol.

In 2014, University of California, Berkeley (UCB) biologist Robert Dudley wrote a book called The Drunken Monkey: Why We Drink and Abuse Alcohol, proposing the controversial