Lloyd D. Johnston

c. July 1, 2005 - Present Principal Investigator, Institute for Social Research, University of Michigan Videos: 3 c. January 1, 2004 - Present Research Professor, Institute for Social Research, University of Michigan Videos: 1 c. February 13, 1990 - Present Investigator, Institute for Social Research, University of Michigan Videos: 7

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    2012 Drug Abuse Survey

    The National Institute of Drug Abuse released the results of its annual survey on drug use. The survey by the National…

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    Teen Drug Use Trends Survey

    The National Institute of Drug Abuse released the results of its annual survey on drug use. The latest survey showed…

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    Survey on Teen Drug Use

    Officials released a report titled “2005 Monitoring the Future Survey on Teen Drug Abuse.” The report examined…

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    Nation's Substance Abuse Patterns

    Participants talked about substance abuse among teenagers, declining patterns of drug utilization by teens, education and…

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