25,000-Year-Old Teeth Reveal Earliest Evidence of Human Drug Use
Fossilized teeth discovered on the Indonesian island of Sulawesi reveal that humans were using psychoactive betel nuts between 16,000 and 25,000 years ago, according to a study published in Science Advances. Led by Griffith University archaeologist Adam Brumm, researchers found that hunter-gatherers left deep, distinctive grooves in their molars from a lifelong habit of sucking … Read more