Archaeologists find signs of ritualized cannabis use 2,500 years ago in China

A wooden brazier holding stones that could be heated to burn cannabis. A new report in the journal Science Advances suggests that cannabis was used in burial rituals 2,500 years ago in western China.
Joel Achenbach June 12 at 2:01 PM

Archaeologists have dug up evidence that people were catching a cannabis buzz way, way before Woodstock, before the Summer of Love and even before there were jazz clubs or alarmist movies warning of “Reefer Madness.” Apparently, the use of cannabis as a mind-altering substance dates back at least 2,500 years.

That’s the conclusion of a new

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