https://www.scientificamerican.com/article/colorado-s-teen-marijuana-usage-dips-after-legalization/
“Marijuana consumption by Colorado high school students has dipped slightly since the state first permitted recreational cannabis use by adults, a new survey showed on Monday, contrary to concerns that legalization would increase pot use by teens.”
https://www.scientificamerican.com/article/colorado-s-teen-marijuana-usage-dips-after-legalization/
“But Diane Carlson, of SMART Colorado, an organization that pushes for tighter regulations to keep cannabis away from children, said data from a 2015 survey by the federal Department of Health and Human Services showed that Colorado ranks first in the nation for marijuana use by youth between the ages of 12 and 17.”