Cannabis 101 | National Geographic Cannabis is the most frequently used illicit substance in the United States. Find out about the history of marijuana use, the chemistry behind a “high”, and the possible dangers and benefits of cannabis. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Weed #Cannabis About National Geographic: National Geographic is the world’s premium destination for…

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Marijuana 101: A newbie’s guide to pot With marijuana legalization weeks away, it is anticipated many will be experimenting with weed for the first time. Shauna Hunt asks a pot expert all the burning questions a newbie might have.

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