World's oldest evidence of habitual drug use traced back 25,000 years to Indonesia
Hunter-gatherers from the last ice age sucked on betel nuts to soothe their toothaches, a new study reveals.
New research reveals that the world's oldest evidence of habitual drug use dates back 25,000 years to an island in Indonesia. Two prehistoric hunter-gatherers had strange grooves in their teeth caused by regularly sucking on betel nuts, palm seeds that contain a neuroactive substance. The discovery, published in Science Advances, suggests the numbing nuts did not relieve toothache as intended, but may have worsened dental conditions over time.
Betel nut chewing, now prevalent in South Asia and Oceania, is the earliest-known addictive behavior.
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