# Normalizing marijuana use harms foster kids mental health | Opinion – The Arizona Republic > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/normalizing-marijuana-use-harms-foster-kids-mental-health-opinion-the-arizona-republic/ > **Published:** 2026-05-21T09:44:52-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T10:54:35-04:00 > **Clinical Summary:** Cannabis normalization poses psychiatric risks for trauma-exposed foster youth. Evidence-based screening and trauma-informed care are essential. --- ✦ New CED Clinical Relevance #78 Strong Clinical Relevance High-quality evidence with meaningful patient or clinical significance. Mental HealthPolicyPediatricsSafetyTHCAnxietyResearch Why This Matters Clinicians treating former foster youth need to recognize that cannabis normalization may mask serious mental health risks in this vulnerable population, particularly those with trauma histories where [substance use](https://cedclinic.com/stroke-risk-assessment-substance-use/) can complicate underlying conditions like PTSD and anxiety. As more states legalize cannabis, providers should implement targeted screening and counseling for foster-involved patients, given evidence that this population experiences higher rates of adverse outcomes with [substance use](https://cedclinic.com/stroke-risk-assessment-substance-use/). Understanding the intersection of childhood trauma, foster care involvement, and [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) enables clinicians to provide more informed [risk assessment](https://cedclinic.com/ethical-legal-dilemmas-cannabis-use/) and treatment planning for this high-risk group. Clinical Summary # Clinical Summary This opinion piece raises concerns about cannabis normalization in Arizona and its potential mental health impact on foster youth, a vulnerable population with high rates of pre-existing trauma and psychiatric disorders. The article argues that while legalization may create a perception of safety around [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/), individuals with histories of childhood trauma and complex adverse childhood experiences may be at elevated risk for adverse psychiatric outcomes with cannabis exposure. For clinicians, this underscores the importance of careful screening for trauma history and pre-existing mental health conditions before cannabis use in adolescents and young adults aging out of foster care, as this population may have reduced resilience to cannabis-related anxiety, mood dysregulation, or psychotic symptoms. The piece highlights a gap between legal availability and clinical safety considerations that should inform counseling practices in primary care and mental health settings serving this population. Clinicians should consider trauma-informed screening protocols and provide evidence-based counseling about cannabis risks when working with patients with foster care backgrounds or significant trauma histories. Dr. Caplan’s Take “We’re seeing a clear pattern in our foster care population where cannabis use, particularly in adolescence and early adulthood, is interfering with the trauma processing that these young people desperately need to do, and in some cases it’s replacing the therapeutic work that could actually help them heal. Legalization has created a false sense of safety around a substance that, for traumatized individuals, often functions as avoidance rather than medicine.” Clinical Perspective Clinicians working with youth in or aging out of foster care should remain alert to the potential mental health consequences of cannabis normalization, particularly given this population’s elevated baseline risk for trauma-related psychiatric conditions. While [cannabis legalization](https://cedclinic.com/the-forgotten-history-of-hemp-in-america/) reflects shifting social attitudes and may reduce criminal justice harms for some adults, the specific vulnerability of foster-involved youth—who often carry complex trauma, attachment disruption, and dysregulation—warrants individualized clinical assessment rather than assumption of safety. The normalization of cannabis use in states like Arizona may inadvertently increase access and reduce perceived risk among adolescents and young adults with prior adversity, yet evidence suggests cannabis use during critical developmental periods and in trauma-exposed populations correlates with worsening mood and anxiety symptoms. Clinicians should incorporate detailed cannabis use screening into assessments of foster-involved patients, assess motivations for use (self-medication versus recreational), and provide psychoeducation about interaction risks between trauma 💬 Join the Conversation Have a question about how this applies to your situation? [Ask Dr. Caplan →](https://benjamincaplan.com/ask-dr-caplan) Want to discuss this topic with other patients and caregivers? [Join the forum discussion →](https://cedclinic.com/interact/discussion-forums/forum/mental-health/) Have thoughts on this? 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