["Dr. Margaret Haney, a Professor of Neurobiology in Psychiatry and Co-Director of the Substance Use Research Center at the Columbia University Medical Center, uses human volunteers to study the impact of marijuana on the brain. Research has shown that repeated marijuana use can affect the brain of a teenager. She says that California's laws on marijuana defacto legalize its use. Medical marijuana is permitted in 20 states and the district of Columbia. Colorado has legalized the drug for recreational purposes.", OrderedDict([('@xmlns:itunes', 'http://www.itunes.com/dtds/podcast-1.0.dtd'), ('#text', "Dr. Margaret Haney, a Professor of Neurobiology in Psychiatry and Co-Director of the Substance Use Research Center at the Columbia University Medical Center, uses human volunteers to study the impact of marijuana on the brain. Research has shown that repeated marijuana use can affect the brain of a teenager. She says that California's laws on marijuana defacto legalize its use. Medical marijuana is permitted in 20 states and the district of Columbia. Colorado has legalized the drug for recreational purposes.")])]
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