# Cannabis use alters how the human brain processes nicotine, new research suggests > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/cannabis-use-alters-how-the-human-brain-processes-nicotine-new-research-suggests/ > **Published:** 2026-09-07T17:32:33-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T10:45:19-04:00 > **Clinical Summary:** New research shows cannabis use alters how the brain processes nicotine, impacting addiction pathways and withdrawal symptoms. --- ✦ New CED Clinical Relevance #67 Notable Clinical Interest Emerging findings or policy developments worth monitoring closely. NeurologyMental HealthResearchPolicyDosingSafetyPain Why This Matters This article matters for clinicians and their patients as it highlights a potential interaction between cannabis and nicotine use, which could impact treatment outcomes for individuals dealing with substance abuse disorders. Understanding how cannabis use alters brain processing of nicotine may help healthcare providers tailor treatment plans more effectively, considering the growing prevalence of polysubstance use in clinical practice. Clinical Summary In a recent study, researchers found that cannabis use may influence how the human brain processes nicotine. The interaction between these substances is being investigated by Joao P. De Aquino, an assistant professor of psychiatry and director of the Pain and Addiction Interaction Lab. This finding could have implications for patients who use both substances, potentially affecting their treatment plans and addiction management strategies. Clinicians should be aware of this interaction when treating patients who use cannabis and nicotine concurrently. Dr. Caplan’s Take β€œAs a seasoned family physician specializing in cannabis medicine, the findings in this study, while preliminary, suggest an intriguing interplay between cannabis and nicotine on brain function. Further research, particularly with human subjects, is crucial to validate these observations and understand their potential implications for public health.” Clinical Perspective πŸ’ŠπŸ§  Intriguing findings suggest that cannabis use may influence how the brain processes nicotine (De Aquino, 2023). This research underscores the complexity of substance interactions in the brain, particularly pertinent to patients with concurrent cannabis and nicotine use disorders. While more studies are needed to fully understand these mechanisms, healthcare providers should be aware of potential altered responses when managing patients with co-occurring substance use issues. Clinically, this knowledge may inform tailored treatment strategies for individuals grappling with both cannabis and nicotine addiction. πŸ’¬ Join the Conversation Have a question about how this applies to your situation? [Ask Dr. Caplan β†’](https://benjamincaplan.com/ask-dr-caplan) Want to discuss this topic with other patients and caregivers? [Join the forum discussion β†’](https://cedclinic.com/interact/discussion-forums/) Have thoughts on this? 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