# The brain remembers: The hidden cost of young adult substance use > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/young-adult-substance-use-hidden-brain-costs/ > **Published:** 2026-03-23T13:03:14-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T10:41:32-04:00 > **Clinical Summary:** Explore how young adult substance use affects brain development and long-term cognitive function, highlighting critical risks during ages 18-25. --- ✦ New CED Clinical Relevance  #70Notable Clinical Interest  Emerging findings or policy developments worth monitoring closely. ⚒ Cannabis News  |  CED Clinic Adolescent MedicineNeurodevelopmentRisk Assessment[Cognitive Function](https://cedclinic.com/reverse-cholesterol-transport-function-cannabis-users/)Young Adults Why This Matters Young adult brains undergo critical development through age 25, making substance exposure during this period particularly consequential for long-term [cognitive function](https://cedclinic.com/reverse-cholesterol-transport-function-cannabis-users/). This research highlights the need for age-specific risk assessment and counseling in [cannabis medicine](https://cedclinic.com/essential-oils-industrial-hemp-antimicrobial-benefits/), especially for patients initiating use in their late teens and early twenties. Clinical Summary University of Michigan research demonstrates that substance use during young adulthood can create lasting neurobiological changes that persist even after cessation. The developing brain’s heightened neuroplasticity during ages 18-25 makes it more vulnerable to substance-induced alterations in neural circuitry and neurotransmitter systems. These changes may manifest as subtle but persistent deficits in executive function, memory consolidation, and [emotional regulation](https://cedclinic.com/cannabis-for-childrens-behavior/) that can impact long-term life outcomes. Dr. Caplan’s Take “I counsel patients under 25 differently because their brains are still under construction—what seems like temporary use can leave permanent blueprints. The clinical challenge is balancing legitimate medical needs against developmental vulnerability.” Clinical Perspective 🧠 Clinicians should implement enhanced screening protocols for patients under 25, including detailed neurodevelopmental history and regular cognitive assessments. Consider delayed-start approaches when clinically appropriate, and prioritize non-cannabis interventions as first-line treatment. For young adults requiring [cannabis therapy](https://cedclinic.com/cannabis-based-therapies-smoking-cessation/), use the lowest effective doses with regular reassessment of benefit-risk ratios. 💬 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-industry/) Have thoughts on this? Share it: [𝕏 Share on X](https://twitter.com/intent/tweet?text=Just%20read%20this%20on%20CEDclinic.com%3A%20The%20brain%20remembers%3A%20The%20hidden%20cost%20of%20young%20adult%20substance%20use%20%40drcaplan&url=https%3A//news.umich.edu/the-brain-remembers-the-hidden-cost-of-young-adult-substance-use/)[in Share on LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A//news.umich.edu/the-brain-remembers-the-hidden-cost-of-young-adult-substance-use/)[🦥 Share on BlueSky](https://bsky.app/intent/compose?text=Just%20read%20this%3A%20The%20brain%20remembers%3A%20The%20hidden%20cost%20of%20young%20adult%20substance%20use%20--%20via%20%40drcaplan.bsky.social%20https%3A//news.umich.edu/the-brain-remembers-the-hidden-cost-of-young-adult-substance-use/)[📷 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/) 📰 Source: [https://news.umich.edu/the-brain-remembers-the-hidden-cost-of-young-adult-substance-use/](https://news.umich.edu/the-brain-remembers-the-hidden-cost-of-young-adult-substance-use/) Table of Contents - [FAQ](#FAQ)[What is the clinical significance of this cannabis research?](#What_is_the_clinical_significance_of_this_cannabis_research) - [Why is adolescent cannabis use particularly concerning?](#Why_is_adolescent_cannabis_use_particularly_concerning) - [What aspects of brain function does cannabis affect in adolescents?](#What_aspects_of_brain_function_does_cannabis_affect_in_adolescents) - [How do clinicians assess cannabis-related risks in young patients?](#How_do_clinicians_assess_cannabis-related_risks_in_young_patients) - [What makes this cannabis research clinically relevant now?](#What_makes_this_cannabis_research_clinically_relevant_now) - [Related](#Related) ## FAQ #### What is the clinical significance of this cannabis research? This research has been rated as “Notable Clinical Interest” with emerging findings worth monitoring closely. It represents developing evidence or policy changes that may impact clinical practice in the future. #### Why is adolescent cannabis use particularly concerning? Adolescent brains are still developing, making them more vulnerable to the effects of cannabis. This developmental period is critical for cognitive function and neural maturation, which can be disrupted by cannabis exposure. #### What aspects of brain function does cannabis affect in adolescents? [Cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) in adolescents primarily impacts cognitive function and neurodevelopment. These effects can influence learning, memory, attention, and other essential brain functions during crucial developmental years. #### How do clinicians assess cannabis-related risks in young patients? Risk assessment involves evaluating patterns of use, developmental stage, and potential impacts on cognitive and social functioning. Clinicians consider both immediate effects and long-term developmental consequences when working with adolescent patients. #### What makes this cannabis research clinically relevant now? This research addresses the growing need to understand cannabis effects as legalization increases and adolescent access potentially expands. The findings provide evidence-based guidance for healthcare providers treating young patients in changing legal and social environments. {“@context”: “https://schema.org”, “@type”: “NewsArticle”, “headline”: “The brain remembers: The hidden cost of young adult substance use”, “url”: “https://news.umich.edu/the-brain-remembers-the-hidden-cost-of-young-adult-substance-use/”, “datePublished”: “2026-03-23T14:03:12Z”, “about”: “brain remembers hidden cost young adult”} [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 [New research highlights growing concerns around cannabis use among young adults … – Instagram](https://cedclinic.com/cannabis-use-disorder-young-adults-concerns/) Explore emerging research on [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) trends and risks among young adults, emphasizing neurodevelopmental concerns. [Read More](https://cedclinic.com/cannabis-use-disorder-young-adults-concerns/) [Cannabis affects childhood brain development, is 'real risk' for teens, UCSD finds in long-term study](https://cedclinic.com/cannabis-affects-childhood-brain-development-is-real-risk-for-teens-ucsd-finds-in-long-term-study/) A long-term study from UCSD reveals significant risks of cannabis on brain development during childhood and adolescence. [Learn More](https://cedclinic.com/cannabis-affects-childhood-brain-development-is-real-risk-for-teens-ucsd-finds-in-long-term-study/) [It may be legal for adults, but cannabis use a danger to young brains](https://cedclinic.com/it-may-be-legal-for-adults-but-cannabis-use-a-danger-to-young-brains/) This article discusses the dangers of cannabis use on developing brains despite adult legalization, focusing on young users. [Discover Insights](https://cedclinic.com/it-may-be-legal-for-adults-but-cannabis-use-a-danger-to-young-brains/) ### Related --- ### Verification & Medical Governance - **Lead Clinical Author:** Benjamin Caplan, MD - **Credentials:** Board Certified in Family Medicine (ABFM), Former CMO Canna Care Docs (250,000+ patients supervised), 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).