# Is Marijuana Addictive or Safe for Long-Term Use? > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/is-marijuana-addictive-or-safe-for-long-term-use/ > **Published:** 2026-06-18T07:16:01-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T10:51:52-04:00 > **Clinical Summary:** Cannabis addiction risk is real in 9-17% of users. Evidence on long-term safety, withdrawal, and clinical screening for cannabis use disorder. --- ✦ New CED Clinical Relevance #67 Notable Clinical Interest Emerging findings or policy developments worth monitoring closely. SafetyResearchMental HealthTHCNeurologyDosingPolicy Why This Matters Clinicians need accurate information about cannabis addiction potential and long-term safety to counsel patients honestly about risks, particularly regarding [cannabis use disorder](https://cedclinic.com/sex-differences-cannabis-stress-reactivity-oxytocin/) which affects approximately 9% of users and higher rates in adolescents. Understanding the evidence on dependence liability and chronic effects informs clinical decision-making for both recreational users and patients considering [cannabis for medical conditions](https://cedclinic.com/observational-medical-cannabis-study-arizona/). Patients deserve clear guidance about addiction risk and long-term consequences to make informed choices about their own [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/). Clinical Summary [Cannabis use disorder](https://cedclinic.com/sex-differences-cannabis-stress-reactivity-oxytocin/) affects approximately 9% of users overall and up to 17% among those initiating use in adolescence, indicating genuine addiction potential that clinicians should assess during substance use screening. While cannabis is often perceived as safe, regular long-term use carries documented risks including [cognitive impairment](https://cedclinic.com/acute-effects-partial-cb1-receptor-agonists-cognition/), motivational syndrome, psychosis in vulnerable populations, and respiratory complications in smoked forms, though these risks vary by individual susceptibility and route of administration. The addictive liability of cannabis is lower than alcohol or opioids but higher than many patients believe, particularly with modern high-potency products and concentrated forms that deliver significantly higher THC levels than historical cannabis. Clinicians should counsel patients that long-term safety remains incompletely characterized, especially regarding effects on [adolescent brain development](https://cedclinic.com/adolescent-cb1-receptor-antagonism-social-behavior/), reproductive health, and driving safety, while recognizing that some patients may benefit from cannabis for specific conditions despite these risks. The practical takeaway for clinicians is to conduct thorough substance use histories, screen for [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) disorder symptoms, and provide evidence-based counseling that acknowledges both addiction risk and potential therapeutic applications rather than defaulting to categorical safety or danger messaging. Dr. Caplan’s Take “The evidence shows that while cannabis carries lower addiction potential than many other substances, psychological dependence is real and occurs in a meaningful subset of users, particularly with daily use and high-THC products. Long-term safety data remain incomplete, especially regarding cognitive effects in developing brains and respiratory impacts with smoking, so we need to counsel patients honestly about what we know, what we don’t, and encourage individualized risk assessment rather than blanket recommendations.” Clinical Perspective 🧠 While cannabis is often perceived as non-addictive compared to other substances, clinical evidence demonstrates that regular use carries genuine risks of psychological dependence, with approximately 9% of users (and up to 17% of adolescent users) meeting criteria for [cannabis use disorder](https://cedclinic.com/sex-differences-cannabis-stress-reactivity-oxytocin/). Long-term use has been associated with [cognitive impairment](https://cedclinic.com/acute-effects-partial-cb1-receptor-agonists-cognition/), altered brain development in adolescents, increased psychotic symptoms in vulnerable populations, and potential respiratory effects, though the research base remains limited by funding constraints and the drug’s federal scheduling, which complicates rigorous long-term studies. The heterogeneity of cannabis products, inconsistent cannabinoid concentrations, and highly variable individual susceptibility make it difficult to generalize safety profiles across users and consumption methods. Clinicians should routinely screen for [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) during substance use assessments, particularly in adolescents and young adults, and counsel patients seeking long-term use about documented cognitive and psychiatric risks rather than 💬 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/ask-dr-caplan/) Have thoughts on this? Share it: [X Share on X](https://twitter.com/intent/tweet?text=Just%20read%20this%20on%20CEDclinic.com%3A%20Is%20Marijuana%20Addictive%20or%20Safe%20for%20Long-Term%20Use%3F%20%40drcaplan&url=https%3A%2F%2Fcedclinic.com%2F%3Fp%3D59549)[in Share on LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fcedclinic.com%2F%3Fp%3D59549)[🦅 Share on BlueSky](https://bsky.app/intent/compose?text=Just%20read%20this%3A%20Is%20Marijuana%20Addictive%20or%20Safe%20for%20Long-Term%20Use%3F%20via%20%40drcaplan.bsky.social%20https%3A%2F%2Fcedclinic.com%2F%3Fp%3D59549)[📷 Follow on Instagram](https://www.instagram.com/drbenjamincaplan)[📝 Read more on Substack](https://doctorapprovedcannabis.substack.com/)[🔔 Subscribe via RSS](https://cedclinic.com/feed/) Related Articles - [Kentucky to end patients bringing medical marijuana from out of state](https://cedclinic.com/kentucky-medical-marijuana-program-ends-out-of-state-use/) - [Don’t Sweat It: Cannabinoid CB1 Receptors Reduce Sweating in a Mouse Model](https://cedclinic.com/dont-sweat-it-cannabinoid-cb1-receptors-reduce-sweating-in-a-mouse-model/) - [The Neuroscience Behind Cannabis Addiction and Misuse | Milford, CT Patch](https://cedclinic.com/the-neuroscience-behind-cannabis-addiction-and-misuse-milford-ct-patch/) 📰 Source: [https://scottsdaleprovidence.com/articles/getting-honest-is-marijuana-addictive](https://scottsdaleprovidence.com/articles/getting-honest-is-marijuana-addictive) 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 --- ### 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).