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Study: Marijuana Use Not Linked With Reduced Motivation In Adolescents

Thursday, 04 January 2018

Marijuana Use Adolescents

Miami, FL: Neither the occasional nor the heavy use of marijuana by adolescents is associated with decreased motivation, according to clinical data published online ahead of print in the journal Substance Use & Misuse.

A team of Florida International University researchers assessed the relationship between cannabis use and motivation in 79 adolescent subjects. Participants consisted of both long-term regular consumers and occasional users. Investigators assessed subjects' motivational tendencies through the use of two validated tools, the Apathy Evaluation Scale and the Motivation and Engagement Scale.

Authors reported: "After controlling for confounds, no significant differences were observed between regular and light users on any motivation index. Similarly, no associations between motivation and lifetime or past 30-day cannabis use amount were observed."

They concluded, "Our findings do not support a link between reduced motivation and CU (cannabis use) among adolescents after controlling for relevant confounds."

For more information, contact Paul Armentano, NORML Deputy Director, at: paul@norml.org. Full text of the study, "Is cannabis use associated with various indices of motivation among adolescents?", appears in Substance Abuse & Misuse.