A recent study published in the Journal of Adolescent Health reveals concerning trends in youth cannabis use following California's 2018 legalization of recreational cannabis. Researchers found that frequent cannabis use among high school students increased significantly, especially in areas where retail storefronts and delivery services were allowed. The study emphasizes the importance of local policies, showing that communities with retail bans saw lower rates of youth use. Experts warn that early cannabis use can impact brain development, mental health, and increase the risk of addiction. To combat these risks, communities are urged to maintain retail bans, limit cannabis marketing, and invest in prevention programs for families and youth.