# Regular Cannabis Use and Its Impact on Endocannabinoid System Tolerance > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/endocannabinoid-system-cannabis-tolerance-exercise-response/ > **Published:** 2026-03-24T23:01:35-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T10:39:48-04:00 > **Clinical Summary:** Explore how endocannabinoid system cannabis tolerance affects exercise response, mood, and pain regulation in regular cannabis users. --- CED Clinical Relevance  #70Notable Clinical Interest  Emerging findings or policy developments worth monitoring closely. 🔬 Evidence Watch  |  CED Clinic [Endocannabinoid System](https://cedclinic.com/endocannabinoid-system-fear-extinction/)[Cannabis Tolerance](https://cedclinic.com/cannabis-tolerance-behavioral-models/)ExercisePain ManagementAnandamide Journal Cannabis and [cannabinoid research](https://cedclinic.com/cannabinoids-in-reward-processing-pain-perception/) Study Type Pilot Study Population Human participants Why This Matters This pilot study provides the first direct evidence that [chronic cannabis use](https://cedclinic.com/reverse-cholesterol-transport-function-cannabis-users/) may disrupt the body’s natural endocannabinoid response to exercise, potentially affecting mood and pain regulation. Understanding how exogenous cannabinoids interact with our endogenous system is crucial for optimizing therapeutic outcomes and managing potential tolerance or withdrawal effects. Clinical Summary This pilot study compared 20 adults, examining anandamide (AEA) levels before and after standardized exercise in cannabis users versus controls. Cannabis users showed significantly blunted AEA response to exercise (0.33 vs 0.47 ng/mL), along with worse mood and increased pain during and after exercise. The findings suggest that chronic cannabis exposure may downregulate the endogenous cannabinoid system’s natural response to physiological stimuli. As a pilot study with a small sample size, these results require replication in larger, more diverse populations. Dr. Caplan’s Take “This aligns with what I observe clinically—patients using cannabis regularly often report needing higher doses over time and may experience mood or pain changes during tolerance breaks. The study provides biological plausibility for why some patients struggle with exercise motivation or pain management when using cannabis chronically.” Clinical Perspective 🧠 Clinicians should consider that chronic [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) may alter patients’ natural stress and pain responses, potentially affecting exercise tolerance and mood regulation. This information is particularly relevant when counseling patients about [cannabis tolerance](https://cedclinic.com/cannabis-tolerance-behavioral-models/), withdrawal symptoms, or integrating exercise into treatment plans for pain or mood disorders. 💬 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%20Regular%20Cannabis%20Use%20is%20Associated%20with%20a%20Diminished%20Anandamide%20Response%20to%20a%20St...%20%40drcaplan&url=https%3A//pubmed.ncbi.nlm.nih.gov/41761603/)[in Share on LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A//pubmed.ncbi.nlm.nih.gov/41761603/)[🦥 Share on BlueSky](https://bsky.app/intent/compose?text=Just%20read%20this%3A%20Regular%20Cannabis%20Use%20is%20Associated%20with%20a%20Diminished%20Anandamide%20Response%20to%20a%20St...%20--%20via%20%40drcaplan.bsky.social%20https%3A//pubmed.ncbi.nlm.nih.gov/41761603/)[📷 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://pubmed.ncbi.nlm.nih.gov/41761603/](https://pubmed.ncbi.nlm.nih.gov/41761603/) Table of Contents - [FAQ](#FAQ)[How does regular cannabis use affect the body’s natural endocannabinoid response to exercise?](#How_does_regular_cannabis_use_affect_the_body8217s_natural_endocannabinoid_response_to_exercise) - [Does cannabis use impact exercise performance and recovery?](#Does_cannabis_use_impact_exercise_performance_and_recovery) - [What are the clinical implications for patients using cannabis medicinally?](#What_are_the_clinical_implications_for_patients_using_cannabis_medicinally) - [Could these findings be relevant to cannabis withdrawal symptoms?](#Could_these_findings_be_relevant_to_cannabis_withdrawal_symptoms) - [Should healthcare providers modify exercise recommendations for cannabis users?](#Should_healthcare_providers_modify_exercise_recommendations_for_cannabis_users) - [Related](#Related) ## FAQ #### How does regular cannabis use affect the body’s natural endocannabinoid response to exercise? Regular cannabis users showed significantly lower anandamide (AEA) concentrations at the end of exercise compared to non-users (0.33 vs. 0.47 ng/mL). This suggests that [chronic cannabis use](https://cedclinic.com/reverse-cholesterol-transport-function-cannabis-users/) may blunt the body’s natural endocannabinoid response to physical activity, potentially indicating tolerance or dysregulation of the [endocannabinoid system](https://cedclinic.com/endocannabinoid-system-fear-extinction/). #### Does cannabis use impact exercise performance and recovery? According to this study, habitual cannabis users experienced worse mood and more pain both during and after exercise compared to controls. The diminished anandamide response may contribute to reduced exercise tolerance and could potentially affect exercise adherence and recovery. #### What are the clinical implications for patients using cannabis medicinally? These findings suggest that regular [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) may alter the endocannabinoid system’s natural functioning, which could impact pain management and mood regulation. Clinicians should consider that patients using cannabis long-term may experience altered responses to natural endocannabinoid-mediated processes like exercise-induced analgesia. #### Could these findings be relevant to cannabis withdrawal symptoms? The blunted anandamide response observed in regular users may help explain some cannabis withdrawal symptoms, particularly mood changes and altered pain perception. When cannabis use is discontinued, the already-compromised endocannabinoid system may struggle to maintain normal physiological functions. #### Should healthcare providers modify exercise recommendations for cannabis users? While this is preliminary data from a small pilot study, it suggests cannabis users may experience exercise differently than non-users. Healthcare providers might need to consider modified approaches to exercise therapy and pain management in patients with regular cannabis use, though more research is needed to establish clinical guidelines. {“@context”: “https://schema.org”, “@type”: “ScholarlyArticle”, “headline”: “Regular Cannabis Use is Associated with a Diminished Anandamide Response to a Standard Exercise Stimulus: A Pilot Study.”, “url”: “https://pubmed.ncbi.nlm.nih.gov/41761603/”, “about”: “cannabis [cannabinoid research](https://cedclinic.com/cannabinoids-in-reward-processing-pain-perception/) pilot study regular”, “isPartOf”: “Cannabis and cannabinoid research”} [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 [40 runners smoked weed before using treadmill to see impact of smoking on exercise](https://cedclinic.com/acute-cannabis-exercise-effects-40-runners-treadmill-study/) This study explores how cannabis use affects exercise performance and physiological responses in runners. [Read More](https://cedclinic.com/acute-cannabis-exercise-effects-40-runners-treadmill-study/) [Cannabis use patterns and perception of acute pain during brief abstinence: sex-dependent associations with circulating cannabinoid levels.](https://cedclinic.com/acute-pain-cannabinoid-withdrawal-sex-dependent-cannabis-study/) Investigates how cannabis use influences pain perception and cannabinoid levels during abstinence. [Explore Study](https://cedclinic.com/acute-pain-cannabinoid-withdrawal-sex-dependent-cannabis-study/) New Studies Illuminate Health Effects of Cannabis Use – NUG Magazine A summary of recent research highlighting various health effects associated with cannabis use. Learn More ### 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).