News Archaeology

People may have smoked marijuana in rituals 2,500 years ago in western China

Cannabis may have been altering minds at an ancient high-altitude cemetery, researchers say

cemetery excavation

SMOKED OUT  Excavations of tombs such as this at a cemetery in western China yielded evidence that people burned cannabis and inhaled its fumes during rituals for the dead around 2,500 years ago.

Xinhua Wu

By Bruce Bower

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