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  1. The weed war undermines science

    10 February 2015
    Other news

    Columbia professor Carl Hart: "The National Institute on Drug Abuse funds 90 percent of the world's research on drug abuse with our tax dollars.

  2. Daily marijuana use doesn't really change brains of adults or teens, study finds

    02 February 2015
    Other news

    Late last year, the press and marijuana-legalization opponents gave a lot of attention to a study suggesting that daily marijuana use shrinks users' brains.