04/03/2010 05:12 am ET Updated May 25, 2011

Is Medical Marijuana Getting Colorado Teens Addicted?

Colorado's public policies regarding the use of medical marijuana are a complete mess -- and as the medical director of a busy adolescent substance abuse treatment program in Denver, I get to contend with this mess every day.

Take, for example, the 19-year-old whom I have treated for severe addiction for several months. He recently showed up in my clinic with a medical marijuana license. How did he get it? Easy, he said. He paid $300 for a brief visit with another doctor to discuss his "depression." The doctor took a cursory medical history that certainly didn't involve contacting me.

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