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

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.

Ancient tooth fossil reveals humans have been getting high for over 4,000 years

Betel nut chewing is more than just a simple habit. Throughout history, communities across Southeast Asia have used these nuts socially, spiritually, and medicinally. Wrapped in betel leaves and combined with additives like limestone paste, betel nuts produce feelings of alertness, relaxation, and euphoria. Despite its long history, this practice has faded in recent decades due to health concerns. However, new research has discovered fascinating…