Indonesian foragers may have sucked on mind-altering nuts 25,000 years ago, research finds | Science | The Guardian

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

Source: Indonesian foragers may have sucked on mind-altering nuts 25,000 years ago, research finds | Science | The Guardian

fta:

While humans probably began using mind-altering plants as soon as they encountered them, the oldest traditions of psychoactive drug use are thought to have arisen about 13,000 years ago with fermented drinks such as barley beer.