Friday, August 1, 2025

4,000-year-old teeth reveal the earliest human high — Hidden in plaque

Scientists have discovered the oldest direct evidence of betel nut chewing in Southeast Asia by analyzing 4,000-year-old dental plaque from a burial in Thailand. This breakthrough method reveals invisible traces of ancient plant use, suggesting psychoactive rituals were part of daily life long before written records.

from Top Health News -- ScienceDaily https://ift.tt/kbLHJl7
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