The Rhode Island Department of Health approved a petition from parents Tuesday which would allow them to use medical marijuana to treat children with autism.

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A key Democratic congressman has a step-by-step plan to enact the end of federal marijuana prohibition in 2019 if his party takes control of the House, and he's laying it all out in a new memo.

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Canada on Wednesday became the first major world economy to legalize recreational marijuana, beginning a national experiment that will alter the country’s social, cultural and economic fabric, and present the nation with its biggest public policy challenge in decades.

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Farmers have been able to grow hemp in Minnesota only for three years, and only with restrictions. As the rules change, farmers and consumers are in a kind of limbo, waiting for lawmakers to decide what is legal and what is not.

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The momentum for cannabis reform in the U.S., which has had landmark political success beginning in 2012, appears to be gaining speed ahead of next month’s midterm elections.

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Officers in Ottawa will be allowed to use marijuana off duty starting Oct. 17, but there are restrictions.

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"I've seen that many of my soldiers that have retired and could get a medical marijuana card seem to do better at a much higher rate."

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The Oklahoma Medical Marijuana Authority has received nearly 7,330 license applications for patients and 600 applications for dispensaries, signaling the potential start of a competitive marketplace with light regulations.

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About six-in-ten Americans (62%) say the use of marijuana should be legalized, reflecting a steady increase over the past decade, according to a new Pew Research Center survey.

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As more states legalize marijuana, whether to change Idaho's laws has been coming up more often in political debate and has become more prominent among the issues that divide the state's politicians and voters by party and ideology.

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When voters head to the polls in November, they won't just be deciding on U.S. senators, members of Congress, governors and other elected officials. They'll also be voting on a number of far-reaching marijuana ballot initiatives.

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A White House drug office official has offered assurances that a marijuana policy panel will be objective and dispassionate as it examines the impact of legalization in some states, a Colorado senator said.

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Voters in at least six municipalities across Ohio will have an opportunity to vote on local initiatives to decriminalize marijuana in November.

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It's the latest in a series of clashes between U.S. and state laws around the country that came out in favor of medical marijuana users trying to keep or obtain jobs with drug-testing employers.

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Missouri is proving to be one of the most consequential battlegrounds in Democrats’ fight to regain control of the U.S. Senate, with polls showing Democratic incumbent Sen. Claire McCaskill and Republican state Attorney General Josh Hawley in a dead heat.

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