Research shows a link between marijuana use and psychosis. Kirill Vasikev/EyeEm/Getty Images hide caption
marijuana marijuana
Stories About
marijuana
Tuesday
Saturday
Marijuana plants grow in a marijuana cultivation facility on July 6, 2017 in Las Vegas, Nevada. Ethan Miller/Getty Images hide caption
Tuesday
A vendor points to a selection of cannabis strains for sale during a 2018 marijuana festival in California. Richard Vogel/AP hide caption
Sunday
Baltimore State's Attorney Marilyn Mosby walks through a city neighborhood on August 24, 2016. Larry French/Getty Images hide caption
Baltimore State's Attorney Will No Longer Prosecute Marijuana Possession Cases
Tuesday
The rain didn't stop customers from lining up outside Cultivate in Leicester, Mass., on Tuesday — the first day that sales of recreational marijuana became legal in the state. Steven Senne/AP hide caption
Wednesday
A soldier carries marijuana plants to be destroyed after a large plantation was seized in Hostotipaquillo, Mexico, in 2012. A new bill in Mexico's Congress would legalize pot, and with its authors' party in the majority, it is likely to pass. Bruno Gonzalez/AP hide caption
Wednesday
Canada legalized recreational marijuana in this month, but Canadians can find themselves barred from entering the U.S. if they say they've used it. A Canadian flag flies in Windsor, Ontario, in June, with the Detroit skyline visible behind it. Brittany Greeson/The Washington Post/Getty Images hide caption
Tuesday
Even a week without marijuana use improves young people's ability to learn and remember. BURGER/Canopy/Getty Images hide caption
Wednesday
A planter trims medicinal marijuana plants in Ontario in 2016. After months of preparation, Canada legalized recreational use of the drug on Wednesday. Lars Hagberg/AFP/Getty Images hide caption
Monday
Megan Baker (left) of Papa & Barkley Co., a Cannabis company based in Eureka, Calif., shows Shirley Avedon of Laguna Woods different products intended to help with pain relief. Stephanie O'Neill for NPR hide caption
Ticket To Ride: Pot Sellers Put Seniors On The Canna-Bus
Wednesday
Baby boomers who use marijuana seem to be using it more often than in previous years, a recent survey finds — 5.7 percent of respondents ages 50 to 64 said they'd tried it in the past month. The drug is also gaining popularity among people in their 70s and 80s. Manonallard/Getty Images hide caption
Friday
California's legislature passed a bill Wednesday that would require officials to review all marijuana-related convictions from 1975 until 2016, when pot was legalized in the state. Taylor Weidman/Bloomberg via Getty Images hide caption
Thursday
Justin Filipowski (left) and Peter Curtis, dressed in 18th-century post-Colonial costume, harvest hemp at Mount Vernon, George Washington's historic plantation. It is the first hemp crop harvest on this Founding Father's estate in decades, maybe centuries. Claire Harbage/NPR hide caption
Monday
Evelyn Nussembaum and her son Sam Vogelstein pick up a six month supply of Epidiolex from the experimental pharmacy at UCSF. Lesley McClurg/KQED hide caption
How One Boy's Fight With Epilepsy Led To The First Marijuana-Derived Pharmaceutical
Monday
At least three marijuana plants have been discovered in city-owned planters in Powell, Wyo. Courtesy of the City of Powell Parks and Recreation Department hide caption