A new micro-randomized trial published in The Lancet Psychiatry demonstrates that personalized text message interventions can effectively engage young adults in reducing cannabis use—a population that traditionally avoids formal treatment settings. The study of 151 emerging adults aged 18-25 found that participants receiving tailored intervention messages showed 23% greater engagement with behavior change strategies compared to those receiving standard supportive messages.
The personalized Just-In-Time Adaptive Intervention system delivered up to three daily text messages customized to individual usage patterns and life circumstances. This digital approach addresses a critical treatment gap, as emerging adults with cannabis use disorders rarely seek professional help despite high rates of problematic use. Researchers from the University of Michigan suggest that mobile interventions could serve as accessible first-line options for young cannabis users, potentially reducing barriers to treatment engagement.
Read the full article on GMJ Newsroom.
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