marijuana marijuana

Can Sobriety Tests Weed Out Drivers Who've Smoked Too Much Weed?

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The highly rated variety of medical marijuana known as "Blue Dream" was displayed among other strains at a cannabis farmers market in Los Angeles in 2014. Frederic J. Brown/AFP/Getty Images hide caption

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Frederic J. Brown/AFP/Getty Images

Marijuana's Health Effects? Top Scientists Weigh In

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Researchers have found marijuana metabolites in the urine of babies who were exposed to adult marijuana use. deux/Corbis/Getty Images hide caption

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deux/Corbis/Getty Images

Doctors Say Parents Shouldn't Smoke Pot Around Kids

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Marijuana is now legal for recreational or medicinal use in more than half the country, but it's still banned in professional sports. Jack Guez/AFP/Getty Images hide caption

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Jack Guez/AFP/Getty Images

NFL Players Searching For Painkiller Choices Hope For Relaxed Marijuana Ban

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Alabama Sen. Jeff Sessions at Trump Tower in New York City on Thursday. Many in the multibillion-dollar marijuana industry fear what his nomination for attorney general would spell for business. Drew Angerer/Getty Images hide caption

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Drew Angerer/Getty Images

A marijuana plant is displayed during the 2016 Cannabis Business Summit & Expo on Jun. 22 in Oakland, Calif. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

City Of Oakland Considers Ways To Share In Pot Profits

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Marijuana grows in the home of two medical marijuana patients in Medford, Ore. Jeff Barnard/AP hide caption

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Jeff Barnard/AP

How The 'Cannabis Catch-22' Keeps Marijuana Classified As A Harmful Drug

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Diego, a tortoise of the endangered Chelonoidis hoodensis subspecies from Española Island, is seen in a breeding centre at the Galapagos National Park on Santa Cruz Island. RODRIGO BUENDIA/AFP/Getty Images hide caption

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RODRIGO BUENDIA/AFP/Getty Images

High Schools In Texas Spend Big Bucks On Football Stadiums

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Since marijuana doesn't benefit mother or baby it should be avoided, researchers say. But there is stronger evidence for the harms of alcohol and tobacco. Roy Morsch/Getty Images hide caption

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Roy Morsch/Getty Images