# Tween and Teen Cannabis Use: Risks to Cognitive Development > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/early-adolescent-cannabis-use-risks-cognitive-development/ > **Published:** 2026-04-24T10:56:10-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T11:55:08-04:00 > **Clinical Summary:** Explore early adolescent cannabis use risks and their impact on cognitive development during critical brain maturation periods. --- ✦ New CED Clinical Relevance** #78 Strong Clinical Relevance High-quality evidence with meaningful patient or clinical significance. ResearchPediatrics[Mental Health](https://cedclinic.com/cannabis-psychiatric-research-findings-depression-anxiety/)NeurologySafety Why This Matters Clinicians should counsel adolescent patients and parents that early [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) may impair cognitive development during a critical neurodevelopmental period, potentially affecting academic performance and long-term functional outcomes. This finding strengthens the clinical rationale for screening adolescents about cannabis use and intervening early, as the developing brain appears particularly vulnerable to cannabis-related cognitive effects. Clinical Summary A longitudinal study examining [adolescent cannabis](https://cedclinic.com/cannabis-use-disorder-psychiatric-risk/) initiation found that earlier onset of use correlates with measurable delays in neurocognitive development trajectories compared to non-users and later-onset users. The research analyzed self-reported [substance use](https://cedclinic.com/stroke-risk-assessment-substance-use/) patterns alongside neurocognitive assessments to track cognitive development over time in young individuals. These findings suggest that cannabis exposure during critical developmental windows may have lasting effects on processing speed, attention, memory, and executive function. Clinically, this evidence strengthens the rationale for counseling adolescent patients and families about cannabis risks during periods of active brain maturation, which continues into the mid-20s. The study underscores that age of initiation matters substantially, with earlier use showing greater cognitive impact than later adolescent or adult use. Physicians caring for young patients should incorporate cannabis use screening and developmentally informed counseling into routine care, particularly for early adolescents, and may reference this neurocognitive evidence when discussing substance use prevention. Dr. Caplan’s Take “What we’re seeing in the neurodevelopmental literature is consistent and concerning: [adolescent cannabis use](https://cedclinic.com/adolescent-cannabis-use-and-anxiety-research/), particularly before age 16, appears to interfere with the prefrontal cortex maturation that doesn’t complete until the mid-20s, and this isn’t reversible simply by stopping use. As clinicians, we need to move beyond the ‘it’s just cannabis’ minimization and have direct conversations with parents and young patients about this specific risk window, because the developing brain is fundamentally different from the adult brain in ways that matter for executive function and impulse control.” Clinical Perspective Early adolescent cannabis use has been associated with slower cognitive development trajectories in emerging research, though clinicians should recognize that most published studies rely on self-reported substance use, which introduces recall bias and potential underestimation of exposure patterns. The relationship between cannabis initiation timing and neurocognitive outcomes remains complex, as confounders such as genetic predisposition to both substance use and developmental delays, socioeconomic factors, concurrent use of other substances, and underlying psychiatric conditions are difficult to fully disentangle in observational data. Additionally, the heterogeneity of cannabis products, potency levels, and frequency of use in today’s market means that findings from earlier research may not directly translate to current exposure patterns. Despite these limitations, the evidence suggesting developmental vulnerability during adolescence provides sufficient clinical justification to counsel young patients and families about potential cognitive risks associated with cannabis use during formative years, particularly when assessing academic performance changes or cognitive complaints 💬 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/cannabis-related-research/) Have thoughts on this? Share it: [𝕏 Share on X](https://twitter.com/intent/tweet?text=Just+read+this+on+CEDclinic.com%3A+Tween%2C+Teen+Cannabis+Use+Linked+to+Slower+Cognitive+Development+-+Psychiatry+Advisor+%40drcaplan&url=https%3A%2F%2Fwww.psychiatryadvisor.com%2Fnews%2Ftween-teen-cannabis-use-linked-to-slower-cognitive-development%2F)[in Share on LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fwww.psychiatryadvisor.com%2Fnews%2Ftween-teen-cannabis-use-linked-to-slower-cognitive-development%2F)[🦅 Share on BlueSky](https://bsky.app/intent/compose?text=Just+read+this%3A+Tween%2C+Teen+Cannabis+Use+Linked+to+Slower+Cognitive+Development+-+Psychiatry+Advisor+--+via+%40drcaplan.bsky.social+https%3A%2F%2Fwww.psychiatryadvisor.com%2Fnews%2Ftween-teen-cannabis-use-linked-to-slower-cognitive-development%2F)[📷 Follow on Instagram](https://www.instagram.com/drbenjamincaplan/)[📝 Read more on Substack](https://substack.com/@doctorapproved)[🔔 Subscribe via RSS](https://cedclinic.com/category/cannabis-news/feed/) Related Articles - [Study**: CBD-Dominant **Cannabis** Products Provide Significant Anxiety Relief – NORML](https://cedclinic.com/cbd-anxiety-research-anxiety-relief-study/) - [Study of 11000 US Teens Links Cannabis Use to Slower Brain Development](https://cedclinic.com/adolescent-cannabis-brain-development-risks/) - [Analysis of data from 11,000 youth shows slower cognitive progress for those who used cannabis](https://cedclinic.com/cannabis-adolescent-cognitive-development-slower-progress/) 📰 Source: [https://www.psychiatryadvisor.com/news/tween-teen-cannabis-use-linked-to-slower-cognitive-development/](https://www.psychiatryadvisor.com/news/tween-teen-cannabis-use-linked-to-slower-cognitive-development/) Further Reading CED Clinic Blog[Why Cannabis Works](https://cedclinic.com/why-cannabis-works/) Evidence Watch[Cannabis and Heart Health](https://cedclinic.com/cannabis-cardiovascular-health-study/) CED Clinic Blog[Cannabis for Sleep](https://cedclinic.com/cannabis-for-sleep/) [https://cedclinic.com/contact/](https://cedclinic.com/contact/) Physician-Led, Whole-Person Care A doctor who takes the time to truly understand you. Personal care that starts with listening and is guided by experience and ingenuity. Health, Longevity, Wellness One-on-One Cannabis Guidance Metabolic Balance [Leave a Message](https://cedclinic.com/contact/) [Metabolic Care](https://cedclinic.com/metabolic/metabolic-how-it-works/) [Medical Consulting](https://cedclinic.com/book/) [Cannabis Care](https://cedclinic.com/book/) [https://cedclinic.com/contact/](https://cedclinic.com/contact/) RELATED READING AT CED CLINIC Continue exploring the evidence [Study of 11000 US Teens Links Cannabis Use to Slower Brain Development – Science Alert](https://cedclinic.com/cannabis-use-adolescent-brain-maturation-risks-study/) This study analyzes data from 11,000 youth showing slower cognitive progress linked to cannabis use during adolescence. [Read the Study](https://cedclinic.com/cannabis-use-adolescent-brain-maturation-risks-study/) [UCSD Study: Cannabis affects childhood brain development, 'real risk' for teens – Times of San Diego](https://cedclinic.com/cannabis-affects-childhood-brain-development-is-real-risk-for-teens-ucsd-finds-in-long-term-study/) Research from UCSD highlights the real risks cannabis poses to brain development in children and teens. [Learn More](https://cedclinic.com/cannabis-affects-childhood-brain-development-is-real-risk-for-teens-ucsd-finds-in-long-term-study/) [Adolescent Cannabis Use Linked To Slower Cognitive Development – KFF Health News](https://cedclinic.com/cannabis-adolescent-brain-development-risks/) KFF Health News reports on the link between adolescent cannabis use and delayed cognitive development. [Explore the Report](https://cedclinic.com/cannabis-adolescent-brain-development-risks/) ### Related --- ### Verification & Medical Governance - **Lead Clinical Author:** Benjamin Caplan, MD - **Credentials:** Board Certified in Family Medicine (ABFM), Founder & CMO CED Clinic & CED Foundation, Author of *The Doctor-Approved Cannabis Handbook* (Penguin Random House). - **Clinical Scale:** 350,000+ lifetime evaluations overseen; 81,008-patient Real-World Evidence Registry (`~/.ced_rwe_vault.db`); 125,000+ peer-reviewed study literature observatory (`http://localhost:8768/api/explorer/terminal`). - **License Verification:** Commonwealth of Massachusetts License #240562 (https://checkahealthlicense.mass.gov/). - **NPI Registry:** 1962722637 (https://npiregistry.cms.hhs.gov/provider-view/1962722637). - **Ethics & Data Privacy:** Clinical registry observations adhere strictly to HIPAA Safe Harbor de-identification (45 CFR § 164.514(b)) and criteria for secondary research exemption under 45 CFR § 46.104(d)(4).