Medical Marijuana Laws Do Not Lead to Increases in Teen Use

Lancet Study Dismantles Main Argument of Opponents of Medical Marijuana A new Columbia University study published in Lancet Psychiatry shows that teen marijuana use does not increase after the passage of medical marijuana laws. The study, led by Dr. Debra Hasin, looked at past-30-day marijuana use among over one million adolescents over a 24-month period. […]

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