Photos: History of marijuana in America Photos: History of marijuana in America Public perceptions about pot have come a long way, from the dire warnings of "Reefer Madness" to growing acceptance of medical marijuana and the legalization of recreational use. Hide Caption 3 of 41 Photos: History of marijuana in America Marijuana cigarettes are hidden in a book circa 1940. Hide Caption 9 of 41 Photos: History of marijuana in America Marijuana use became more widespread in the 1960s, reflecting the rising counterculture movement. Hide Caption 12 of 41 Photos: History of marijuana in America Marijuana reform was the Life magazine cover story in October 1969. Since the state approved medical marijuana in 2000, Colorado has seen a boom in marijuana dispensaries, trade shows and related businesses.

Source: CNN April 30, 2018 07:30 UTC