Shift in some teens' use and perceptions of marijuana after recreational marijuana is legalized

(University of California - Davis Health System) Marijuana use significantly increased and its perceived harm decreased among eighth- and 10th-graders in Washington state following enactment of recreational marijuana laws, according to a UC Davis and Columbia University study. There was no change in use or perceived harm among 12th graders or among similar grades in Colorado.

from EurekAlert! - Social and Behavioral Science http://ift.tt/2iAFnrW