Changes in Marijuana Use Patterns, Systematic Literature Review, and Possible Marijuana-Related Health Effects
Medical marijuana has been legal in Colorado since 2000, and medical use was primarily viewed as an individual doctor/patient decision outside the scope of public health policy. Commercialization of medical marijuana in 2009 prompted a large increase in the number of individuals with active medical marijuana registration cards. The number of registration cards increased from 11,094 in July 2009 to 99,902 in July 2010.
The number of active registration cards has hovered around 100,000 from July 2010 to the present (range 85,124 to 127,816).
Monitoring Health Concerns Related to Marijuana in Colorado: 2014
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