Could legal weed make you sick? Here's how California tries to keep it safe

With no help from the federal government, states are trying to regulate recreational marijuana. California's Department of Cannabis Control works to keep contaminants out of joints, vapes and edibles.

Could legal weed make you sick? Here's how California tries to keep it safe
Cannabis plants at Vibe Cultivators, an indoor growing facility and dispensary in Sacramento, Calif., are about 2 weeks away from harvest. California

With no help from the federal government, states are trying to regulate recreational marijuana. California's Department of Cannabis Control works to keep contaminants out of joints, vapes and edibles.

(Image credit: Preston Gannaway for NPR)