Archaeologists identified the world's oldest evidence of habitual drug use in the teeth of a hunter-gatherer who lived up to 25,000 years ago.
Notes on verification
Confirmed by peer-reviewed study in Science Advances (Griffith University, led by Adam Brumm), corroborated by multiple independent science news outlets including Live Science, ScienceDaily, and Archaeology Magazine. [cascade flags: aggregator_dropped_primary_exists | tier=unverified indep_score=0.3 clusters=2 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]
Sources
- Smart News: History & Archaeology | Smithsonian Magazine (seed:history_and_archaeology)
- https://www.oralhealthgroup.com/clinical/dental-research/ancient-tooth-grooves-point-to-worlds-oldest-known-drug-habit-25000-years-ago-1003998628 (corroboration)
- https://archaeologymag.com/2026/09/oldest-habitual-drug-use-found-in-indonesia/ (corroboration)