marijuana marijuana

The Estonian municipality has approved using the marijuana leaf as the official government symbol. It will appear as the government logo, on flags and crest. Susan Montoya Bryan/AP hide caption

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Susan Montoya Bryan/AP

Okanogan County Chief Criminal Deputy Steve Brown surveys the debris left over from an illegal pot farm that had masqueraded as a legal operation. Martin Kaste/NPR hide caption

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Martin Kaste/NPR

Despite Legalization, Marijuana Black Market Hides In Plain Sight

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University of Puget Sound chemist Dan Burgard keeps a freezer full of archived samples from two wastewater treatment plants in western Washington in case he needs to rerun the samples or analyze a specific drug he didn't test for the first time. Dan Burgard hide caption

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Dan Burgard

Melodie Beckham (left), here with her daughter, Laura, had metastatic lung cancer and chose to stop taking medical marijuana after it failed to relieve her symptoms. She died a few weeks after this photo was taken. Melissa Bailey/Kaiser Health News hide caption

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Melissa Bailey/Kaiser Health News

Researchers looked at states with medical marijuana dispensaries and those that allow home cultivation. Evelyn Hockstein/The Washington Post/Getty Images hide caption

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Evelyn Hockstein/The Washington Post/Getty Images

Opioid Use Lower In States That Eased Marijuana Laws

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Scientists are finding that, just as with secondhand smoke from tobacco, inhaling secondhand smoke from marijuana can make it harder for arteries to expand to allow a healthy flow of blood. Maren Caruso/Getty Images hide caption

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Maren Caruso/Getty Images

Are There Risks From Secondhand Marijuana Smoke? Early Science Says Yes

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When Jenna Sauter's youngest son, Axel, tested positive for THC — marijuana's active ingredient — after he was born, she got a home visit from local social services. Sauter says she and her friends don't smoke near their children. Sarah Varney/Kaiser Health News hide caption

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Sarah Varney/Kaiser Health News

Is Smoking Pot While Pregnant Safe For The Baby?

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One 8.5-oz. serving of THC-laced beverage (left) alongside three ounces of dried marijuana (right). Miles Bryan/Wyoming Public Media hide caption

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Miles Bryan/Wyoming Public Media

How Much Pot Is In That Brownie? Wyoming Moves To Toughen Edible Marijuana Laws

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Sheriff's deputies in York County, Neb., arrested an elderly California couple who had approximately 60 pounds of marijuana in their vehicle. York County Sheriff's Department hide caption

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York County Sheriff's Department

Chalfonte LeNee Queen of San Diego grappled with violent vomiting episodes for 17 years until she found out her illness was related to her marijuana use. Pauline Bartolone/California Healthline hide caption

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Pauline Bartolone/California Healthline

Rare And Mysterious Vomiting Illness Linked To Heavy Marijuana Use

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Kids who saw an ad for legal marijuana were more likely to report smoking it one year later, according to a Rand Corp. report. Tomas Rodriguez/Getty Images hide caption

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Tomas Rodriguez/Getty Images

Although consuming cannabis is legal in Colorado and several other states, driving while under the influence of the drug is not. Nick Pedersen/Getty Images hide caption

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Nick Pedersen/Getty Images

Scientists Still Seek A Reliable DUI Test For Marijuana

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Proponents of the emerging pot-for-pleasure industry want to grab a share of the nearly $2 billion tourism business in Sonoma County with events like dinners that incorporate marijuana. Courtesy of Sonoma Cannabis Company/Kristen Jeanne hide caption

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Courtesy of Sonoma Cannabis Company/Kristen Jeanne

Pairing Wine And Weed: Is It A California Dream Or Nightmare?

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Republican Governor Phil Scott announced Wednesday he would veto the Vermont legislature's bill to legalize recreational marijuana. Above, the governor waves to supporters on election night in November. Andover/AP hide caption

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Andover/AP

Public safety experts and advocates disagree about what conclusions can be drawn from data on the presence of alcohol or other drugs in the bodies of people involved in deadly crashes. juefraphoto/Getty Images/iStockphoto hide caption

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juefraphoto/Getty Images/iStockphoto

Courts in Kansas City, Mo., can impose a maximum fine of $25 for possession of up to 35 grams of marijuana, after voters embraced a ballot initiative Tuesday. Here, three grams of marijuana is displayed. Oliver Contreras/For The Washington Post via Getty Images hide caption

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Oliver Contreras/For The Washington Post via Getty Images