Marijuana Use on the Rise in US (9.25.13)

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An estimated 18.9 million people use marijuana, according to an annual survey by the Substance Abuse and Mental Health Services Administration.

In 2007, 5.8 percent of those surveyed said they had used the drug in the past month. That figure went up to 7.3 percent in 2012. As the latest statistics come as two states — Colorado and Washington — look to normalize the sale and use of recreational marijuana.

READ FEATURE STORY: WWLP News