The hypothesis posits that this natural preference for ethanol helped early primates survive by guiding them toward calorie-rich food sources. Moreover, ethanol has antimicrobial properties, which may have offered an added health benefit by killing harmful bacteria in contaminated fruits. Over time, this evolved preference for alcohol became ingrained in human genetics, potentially explaining modern human attraction to alcoholic beverages.
However, the hypothesis also addresses the contrasting impact of alcohol consumption on humans today. In ancestral environments, the amount of alcohol consumed was minimal and naturally occurring in fruits. In contrast, modern humans have created methods to produce and consume concentrated forms of alcohol, leading to overconsumption and associated health risks. This shift from natural ethanol in fruits to refined alcoholic beverages has contributed to problems like addiction, liver damage, and other social and health issues.
Critics of the Drunken Monkey Hypothesis argue that it may oversimplify the complex relationship between humans and alcohol. While the hypothesis highlights an evolutionary basis for alcohol preference, cultural, social, and psychological factors also play a significant role in modern alcohol consumption patterns. Nonetheless, the Drunken Monkey Hypothesis provides a fascinating perspective on the evolutionary roots of human behavior and sheds light on why humans might have an innate attraction to alcohol despite its potential dangers. This theory underscores the idea that behaviors we observe today often have deep evolutionary origins tied to survival and adaptation.