Sydney Lupkin, Brian Mann, NPR
The number of Americans who use marijuana has doubled over the past decade, according to a survey by Gallup. In many parts of the U.S., weed is legal under state law — and many Americans now use it as casually as they might have a beer or glass of wine.
But finding cannabis products that are safely sourced and properly regulated can be tricky.
Whether I was getting cannabis or alcohol or my broccoli from an unregulated market, I’d be concerned about any number of issues.
– Paul Armentano, Deputy Director, NORML
In a new series, NPR is looking at what consumers should know about the safety of the weed supply.
Of course, cannabis itself is associated with…