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

toggle caption
deux/Corbis/Getty Images

Doctors Say Parents Shouldn't Smoke Pot Around Kids

  • Download
  • <iframe src="https://www.npr.org/player/embed/505726846/506118944" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption
Jack Guez/AFP/Getty Images

NFL Players Searching For Painkiller Choices Hope For Relaxed Marijuana Ban

  • Download
  • <iframe src="https://www.npr.org/player/embed/502610853/502841581" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption
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

toggle caption
Justin Sullivan/Getty Images

City Of Oakland Considers Ways To Share In Pot Profits

  • Download
  • <iframe src="https://www.npr.org/player/embed/500264056/500264057" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption
Jeff Barnard/AP

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/497586908/497695946" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption
RODRIGO BUENDIA/AFP/Getty Images

High Schools In Texas Spend Big Bucks On Football Stadiums

  • Download
  • <iframe src="https://www.npr.org/player/embed/495240444/495251930" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

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

toggle caption
Roy Morsch/Getty Images

Abby McLean of Northglenn, Colo., stands near the stretch of U.S. 85 in Adams County where she was pulled over for a DUI check in September 2014. Nathaniel Minor/CPR News hide caption

toggle caption
Nathaniel Minor/CPR News

The Difficulty Of Enforcing Laws Against Driving While High

  • Download
  • <iframe src="https://www.npr.org/player/embed/492810932/492830476" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The first-place Sativa variety cannabis plant at the Oregon State Fair in Salem. Deena Prichep for NPR hide caption

toggle caption
Deena Prichep for NPR

Cannabis Growers Seek Blue Ribbons For Their Buds At Oregon's State Fair

  • Download
  • <iframe src="https://www.npr.org/player/embed/491957416/491984354" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Hundreds of advocates for marijuana legalization rally and smoke pot outside the White House in Washington, D.C. on April 02, 2016. The Washington Post/The Washington Post/Getty Images hide caption

toggle caption
The Washington Post/The Washington Post/Getty Images

A budtender prepares an edible sale for a customer at LivWell Broadway in Denver. Craig F. Walker/Denver Post via Getty Images hide caption

toggle caption
Craig F. Walker/Denver Post via Getty Images