Scientists find evidence of ancient drug use in prehistoric teeth

NPR | By Pien Huang

Published September 17, 2026 at 3:45 PM MDT

A new study on ancient human remains finds evidence for the habitual use of betel nuts, dating back to the Ice Age. The finding offers some of the oldest archaeological evidence of psychoactive drug use, and potential insights into how use of betel nuts, now popular for their stimulant effects, evolved.

Pien Huang

Pien Huang is a correspondent on the Science desk. She was NPR's first Reflect America Fellow, working with shows, desks and podcasts to bring more diverse voices to air and online.

See stories by Pien Huang