Credit: Dan Contereras/John Rick/Cover Images Archaeologists have found the earliest evidence of humans smoking psychedelic drugs in the Peruvian Andes. Around 2,000 years before the Inca empire ...

Archaeologists have found the earliest evidence of humans smoking psychedelic drugs in the Peruvian Andes. Around 2,000 years before the Inca empire dominated the Andes, a lesser-known society known ...