November 6, 2014

Marijuana: How one plant spread throughout the world

CBS News
From the sites where prehistoric hunters and gatherers lived, to ancient China and Viking ships, cannabis has been used across the world for ages, and a new report presents the drug's colorful history.

In the report, author Barney Warf describes how cannabis use originated thousands of years ago in Asia, and has since found its way to many regions of the world, eventually spreading to the Americas and the United States.

"For the most part, it was widely used for medicine and spiritual purposes," during pre-modern times, said Warf, a professor of geography at the University of Kansas in Lawrence. For example, the Vikings and medieval Germans used cannabis for relieving pain during childbirth and for toothaches, he said.

"The idea that this is an evil drug is a very recent construction," and the fact that it is illegal is a "historical anomaly," Warf said. Marijuana has been legal in many regions of the world for most of its history.
http://www.cbsnews.com/news/marijuana-how-one-plant-spread-throughout-the-world/

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