It is the earliest evidence of addictive drug use and harm.

1. It is the earliest evidence of addictive drug use and harm. newser.com
2. Scientists have discovered the earliest evidence of drug use in really old teeth. The New York Times
3. Research suggests that Indonesian foragers may have ingested brain-altering nuts 25,000 years ago. The Guardian
4. Archaeologists have discovered the oldest evidence of drug use in the teeth of a predator that lived 25,000 years ago. smithsonianmag.com
5. Ancient teeth reveal the Ice Age origins of the world’s fourth most common drug The conversation

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