marijuana marijuana

Early results showed more than a 2-1 lead for a measure to make recreational marijuana use legal in Washington, D.C. A sign promoting the initiative is seen on a corner in the Adams Morgan neighborhood Tuesday. Allison Shelley/Getty Images hide caption

toggle caption
Allison Shelley/Getty Images

Low-dose pot-infused cookies, called the Rookie Cookie, sit on the packaging table Sept. 26 at The Growing Kitchen in Boulder, Colo. The state legalized recreational pot use last year. Brennan Linsley/AP hide caption

toggle caption
Brennan Linsley/AP

This human-scale lab rat cage is parked near a skate park in Denver, Colo., to make a point about the lack of science on marijuana. Richard Feldman Studio/Sukle Advertising and Design hide caption

toggle caption
Richard Feldman Studio/Sukle Advertising and Design

Edibles available at LoDo Wellness Center, a retail marijuana and medical marijuana dispensary and grow facility in downtown Denver. Matthew Staver/Landov hide caption

toggle caption
Matthew Staver/Landov

Colorado's Pot Brownies Now Come With Instructions

  • Download
  • <iframe src="https://www.npr.org/player/embed/343432131/343484379" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Amber McGowan, left, and Krystal Klacsan work Monday at Cannabis City in Seattle, a day before the store is to begin legal pot sales on Tuesday. The store will be for now the only one in Seattle to sell recreational marijuana. Ted S. Warren/AP hide caption

toggle caption
Ted S. Warren/AP

People smoke marijuana, presumably, because it affects their brains, not despite that fact. Above, people in Sao Paulo, Brazil, campaign for the legalization of marijuana. Nelson Almeida/AFP/Getty Images hide caption

toggle caption
Nelson Almeida/AFP/Getty Images

Former Supreme Court Associate Justice John Paul Stevens likens making pot illegal to Prohibition. In his new book, Six Amendments, he proposes constitutional changes including a curb on an individual's right to bear arms. Chip Somodevilla/Getty Images hide caption

toggle caption
Chip Somodevilla/Getty Images

Justice Stevens Talks About Marijuana

  • Download
  • <iframe src="https://www.npr.org/player/embed/306524864/306539250" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

With the Colorado state capitol in the background, Cannabis Cup attendees dance and smoke pot at the annual 4/20 marijuana festival in Denver. Brennan Linsley/AP hide caption

toggle caption
Brennan Linsley/AP

It's 4:20 On 4/20: Denver Hosts The Cannabis Cup Today

  • Download
  • <iframe src="https://www.npr.org/player/embed/305326786/305327772" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">