Ancient teeth from Sulawesi show betel nut use 25,000 years ago. This habit predates early farming and represents habitual drug use. Researchers found chemical traces and unusual tooth wear patterns. Betel nut use may have begun to relieve tooth pain and discomfort. This discovery pushes back the known history of psychoactive substance consumption.

La nuez de betel, tambi�n llamada nuez de areca, es una de las drogas de origen vegetal m�s populares en Asia y el Pac�fico Sur, hasta el punto de que se estima que casi el 10%...

Analysis of two skeletons reveals tooth wear and traces of psychoactive substance in what may be earliest known evidence for human drug taking