The Office of National Drug Control Policy is prohibited from studying potential benefits of marijuana, but one politician wants to change that.

Rep. Steve Cohen (D-Tenn.) introduced a bill that would allow the U.S. drug czar, who leads the agency, to study the potential benefits of legalizing marijuana.

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Cohen was on “The O’Reilly Factor” tonight to discuss the bill. He said that marijuana is a “Schedule I” drug alongside heroin. Cohen said its classification as a “Schedule I” drug means that it has no medical value, yet doctors prescribe it. It also means it is the most addictive of drugs, which Cohen said is false.

The congressman wants the government to study marijuana legalization in Colorado and Washington.

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O’Reilly asked why he doesn’t just introduce a bill to decriminalize marijuana, but Cohen said the states should do that instead.

Watch their full interview above.