Using Ganja to Get High Dates Back Millennia

Ancient site points to weed’s role in burial rites

Photo: Nastasic/iStock/Getty Images Plus

By Emily Willingham

A repeated warning about cannabis use in the post-hippie era is to be aware that what you’re smoking or ingesting isn’t your grandparents’ cannabis. Humans have worked hard in recent decades to produce strains with powerful doses of tetrahydrocannabinol, or…

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