4,000-year-old teeth reveal earliest evidence of betel nut chewing in Southeast Asia
A recent study uncovered the oldest direct biochemical evidence of betel nut chewing in Southeast Asia, dating back 4,000 years. Researchers used advanced chemical analysis on ancient dental plaque to detect traces of the psychoactive plant, gaining new insight into the cultural practices of early Thai societies.
More info: https://archaeologymag.com/2025/08/earliest-evidence-of-betel-nut-chewing/
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