Researchers say evidence is lacking that adolescent weed users are slacking

Specifically, investigators considered factors such as disengagement, persistence, planning, self-efficacy and valuing school. What researchers found, in general, was that “on average, adolescent cannabis use frequency increased significantly over time. In terms of physical motivation, a recent study of young and middle-aged adults found there may be a positive link between cannabis use and exercise. Subscribe to Weekend Dispensary, a new weekly newsletter from The GrowthOp. In itself, that may be of concern, since it “may contribute to poorer educational and later life outcomes,” it adds. “Our findings also indicated that females, but not males, who reported higher self-efficacy at baseline showed greater escalation in cannabis use over time.” investigators write.