@thetruism · 8d ago
Teeth from 25000 years ago show earliest evidence of human drug use
Archaeologists have discovered traces of betel nut in 25,000-year-old human teeth found in Indonesia, suggesting the oldest known use of psychoactive substances by humans.
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What we know
Wallacea
The discovery represents the earliest direct evidence of human psychoactive drug use.
- Traces of betel nut were discovered on 25,000-year-old human teeth in Indonesia.
- This finding represents the earliest direct evidence of human drug use, pushing back the timeline significantly.
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What we don't know
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- What specific cultural, social, or medicinal role did betel nut use play in this ancient community?
- What evidence establishes the teeth’s age and association with the residue?
- How were the traces identified specifically as betel nut?
- How were contamination and non-consumption explanations assessed?
- What prior finding provides the comparison for the “earliest direct evidence” designation?
- Has the underlying research been peer reviewed, and what limitations do its authors report?
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