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John Charles Chasteen's Bio Image

John Charles Chasteen

John is the author of "Getting High: Marijuana Through the Ages."

Most popular articles

How Mexican ‘Herbolarias’ Transformed Hemp into Psychoactive Marijuana

Where did psychoactive marijuana come from? We know cannabis came to the United States from Mexico in the early 1900s, but how did it get there?

John Charles Chasteen - February 6, 2016

Articles contributed to Leafly (by most recent)

How Mexican ‘Herbolarias’ Transformed Hemp into Psychoactive Marijuana

Where did psychoactive marijuana come from? We know cannabis came to the United States from Mexico in the early 1900s, but how did it get there?

John Charles Chasteen - February 6, 2016