Posted in Article People were using cannabis for psychoactive purposes at least 2,800 years ago, study suggests | AP News 2026-11-07 Leave a Comment on People were using cannabis for psychoactive purposes at least 2,800 years ago, study suggests | AP News A new study suggests people were using cannabis for psychoactive purposes at least 2,800 years ago. Archaeologists found evidence in a Siberian tomb, indicating cannabis use 300 years earlier than previously known in China. Source: People were using cannabis for psychoactive purposes at least 2,800 years ago, study suggests | AP News