Impact of State-Legal Medical Marijuana on Adolescent Marijuana Use

"In conclusion, our study of self-reported marijuana use by adolescents in states with a medical marijuana policy compared with a sample of geographically similar states without a policy does not demonstrate increases in marijuana use among high school students that may be attributed to the policies."

Source: 

Choo, Esther K. et al., "The Impact of State Medical Marijuana Legislation on Adolescent Marijuana Use," Journal of Adolescent Health, August 2014, Volume 55, Issue 2, p. 160 - 166.
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