A synthesis of 20 recently added cannabis articles — key themes, clinical context, and Dr. Caplan’s take.
Lynn Silver, MD, MPH, FAAP, warns of psychiatric risks with adolescent cannabis use
WHY IT MATTERS: Parents and young people should understand that cannabis use during adolescence is not a low-stakes decision, because the developing brain processes cannabinoids very differently than an adult brain does, with potential consequences for long-term mental health. CLINICAL OVERVIEW: Adolescent cannabis use carries meaningful psychiatric risks because the developing brain, particularly the endocannabinoid system, is uniquely vulnerable to disruption from exogenous cannabinoids during the years of active neurodevelopment that extend into the mid-twenties. Exposure during this window has been associated with increased rates of anxiety, depression, and psychosis, with higher-potency THC products amplifying these concerns considerably.
Health department providing safe-storage marijuana bags in vending machines – WBAL-TV
WHY IT MATTERS: If cannabis is stored at home without child-resistant containers, even occasional or recreational adult use significantly increases the risk of accidental ingestion and emergency room visits for children in that household. CLINICAL OVERVIEW: Cannabis legalization for adults in Maryland has been accompanied by an unintended consequence seen across many states: increased accidental exposures in children and a rise in cannabis-related emergency visits among both pediatric and adult populations. Proper storage is one of the most evidence-supported harm reduction strategies available, as the majority of pediatric ingestions occur when cannabis products are left accessible in the home.
Secondhand marijuana smoke has fine particles that can cause asthma attacks and … – Instagram
WHY IT MATTERS: If you or someone in your household has asthma or another respiratory condition, exposure to secondhand marijuana smoke in shared spaces like homes or vehicles can trigger serious symptoms even without directly using cannabis. CLINICAL OVERVIEW: Secondhand marijuana smoke contains fine particulate matter that can trigger respiratory inflammation and exacerbate conditions like asthma, making exposure a legitimate public health concern beyond the individual user. Unlike the common assumption that cannabis smoke is less harmful than tobacco smoke, the combustion process produces many of the same irritants and carcinogens regardless of the plant material being burned.
What effects does THC have on youth who dabble? – YouTube
WHY IT MATTERS: Parents and young patients who view occasional THC use as low-stakes should understand that the adolescent brain processes cannabinoids differently than an adult brain, and even limited exposure during developmental years can have measurable effects on mood regulation, memory, and long-term mental health trajectory. CLINICAL OVERVIEW: Cannabis use during adolescence and young adulthood intersects with critical windows of neurodevelopmental maturation, particularly in the prefrontal cortex and limbic system, where endocannabinoid signaling plays a foundational regulatory role. Even casual or infrequent THC exposure during these years carries a distinct risk profile compared to adult use, including associations with altered executive function, increased vulnerability to anxiety and mood disorders, and in genetically susceptible individuals, elevated risk for psychosis-spectrum conditions.
Daily Digest: Last 24 Hours: Adolescent Brain Risk, Global Policy Shifts, and the Science Catching Up to the Clinic — February 26, 2026
Last 24 Hours February 26, 2026 — 23 articles reviewed The last 24 hours brought a striking convergence of adolescent psychiatric risk data, accelerating international cannabis legislation, and mechanistic neuroscience that finally...
Daily Digest: Last 24 Hours: Teen Psychiatric Risk, Global Policy Shifts, and the Science Catching Up to the Clinic — February 25, 2026
A synthesis of 25 recently added cannabis articles — key themes, clinical context, and Dr. Caplan’s take.
Indiana lawmakers miss deadline, killing key cannabis bill | News | wthitv.com
WHY IT MATTERS: Indiana patients seeking legal access to cannabis for medical purposes will continue to face criminal and legal barriers, with no near-term legislative relief in sight. CLINICAL OVERVIEW: Indiana legislators allowed a key cannabis reform bill to die by missing a procedural deadline, leaving the state without updated cannabis policy at a time when surrounding states continue to expand patient access. The failure reflects a broader pattern in politically cautious states where cannabis reform stalls not through direct opposition but through inaction and procedural delays.
Teen Marijuana Use Doubles Chances of Future Psychotic Disorders, Study Finds
WHY IT MATTERS: Parents and adolescent patients should understand that the psychiatric risks associated with cannabis use before age 18 are biologically distinct from adult-onset use, and delaying initiation until adulthood is one of the most evidence-supported harm reduction strategies available. CLINICAL OVERVIEW: Research examining adolescent cannabis use has consistently identified a meaningful association between early initiation and elevated risk for psychotic spectrum disorders in adulthood, with the biological vulnerability of the developing adolescent brain playing a central role in this relationship. The endocannabinoid system undergoes significant maturation throughout adolescence, and exogenous cannabinoids introduced during this window appear to disrupt neurodevelopmental trajectories in ways that can have lasting psychiatric consequences.
Scientists are raising new concerns about marijuana use in teens – KPBS
WHY IT MATTERS: For parents and adolescents, this research reinforces that cannabis is not a low-risk substance during the teenage years, and decisions about use should be made with full awareness of the potential for lasting mental health consequences. CLINICAL OVERVIEW: Research continues to build a concerning picture around adolescent cannabis use and its association with elevated risk for psychiatric conditions, including psychosis, depression, and anxiety disorders. The developing brain, particularly during the teenage years, appears to be especially vulnerable to the neurochemical disruptions that cannabinoids can produce, with THC’s interaction with the endocannabinoid system potentially altering normal neurodevelopmental trajectories.