Ancient Thai Teeth Reveal 4,000-Year-Old Psychoactive Nut Use

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Source: CNN
Ancient Thai Teeth Reveal 4,000-Year-Old Psychoactive Nut Use
Photo: CNN
TL;DR

Archaeologists have used advanced biochemical techniques on 4,000-year-old dental plaque from Thailand to confirm the earliest direct evidence of betel nut chewing, a psychoactive practice that predates previous findings by at least 1,000 years, revealing its long-standing cultural significance.

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