Recreational marijuana legalization tied to decline in teens using pot, study says (cnn.com)

Marijuana use among young people in the United States overall has climbed in recent years, but a new paper suggests that in states where recreational marijuana has been legalized, marijuana use among youth may actually be falling.
https://edition.cnn.com/2019/07/08/health/recreational-marijuana-laws-teens-study/index.html, 8.7.2019