# Trends in Cannabis and Tobacco Use by Racial and Ethnic Groups among U.S. Youth: 1991-2021 > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/youth-cannabis-use-disparities-racial-ethnic-trends/ > **Published:** 2026-04-23T01:05:14-04:00 | **Last Modified / Clinically Audited:** 2026-09-29T00:36:36-04:00 > **Clinical Summary:** Explore youth cannabis use disparities by racial and ethnic groups with trends from 1991 to 2021 for targeted prevention and intervention. --- ✦ New CED Clinical Relevance  #70Notable Clinical Interest  Emerging findings or policy developments worth monitoring closely. ⚒ Cannabis News  |  CED Clinic YouthEpidemiologyPrevention[Health Disparities](https://cedclinic.com/social-equity-cannabis-investments-community-health/)[Substance Use](https://cedclinic.com/stroke-risk-assessment-substance-use/) Why This Matters Understanding demographic patterns in youth [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) is essential for targeted prevention strategies and early intervention. Racial and ethnic disparities in [substance use](https://cedclinic.com/stroke-risk-assessment-substance-use/) patterns often reflect broader social determinants of health that influence both access and risk factors. Clinical Summary This epidemiological study tracks three decades of cannabis and tobacco use patterns across racial and ethnic groups in U.S. adolescents from 1991-2021. The research identifies differential trends in substance use initiation and prevalence among demographic groups during a period of significant policy and cultural shifts regarding cannabis. These longitudinal data provide crucial context for understanding how changing social attitudes and legal frameworks may differentially impact youth substance use patterns across communities. Dr. Caplan’s Take “As clinicians, we need to recognize that substance use patterns don’t exist in a vacuum—they reflect complex interactions between policy, culture, and structural factors. This kind of demographic data helps us understand which young people may be at highest risk and tailor our screening and intervention approaches accordingly.” Clinical Perspective 🧠 Clinicians should consider these demographic trends when conducting substance use screening with adolescent patients. Understanding community-specific patterns can inform more culturally responsive approaches to prevention and early intervention. However, individual [risk assessment](https://cedclinic.com/ethical-legal-dilemmas-cannabis-use/) remains paramount—population trends inform but should not replace personalized clinical evaluation. 💬 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? 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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 [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/) This study analyzes cognitive development impacts in youth cannabis users, providing insight into long-term effects. [Read the study](https://cedclinic.com/cannabis-adolescent-cognitive-development-slower-progress/) [New research highlights growing concerns around cannabis use among young adults](https://cedclinic.com/cannabis-use-disorder-young-adults-concerns/) Explore emerging concerns and research findings on [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) trends in young adult populations. [Learn more](https://cedclinic.com/cannabis-use-disorder-young-adults-concerns/) Cannabis is often seen as “safe” or less harmful—but new research suggests otherwise … – Instagram Review new evidence challenging common perceptions about [cannabis safety](https://cedclinic.com/respiratory-effects-inhalational-marijuana/) and its implications for youth. Discover insights ### 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).