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Understanding Addiction: The Disease Model Explained

Learn why addiction is recognized as a chronic brain disease and how this understanding shapes modern treatment approaches on Long Island.

Written by

Benjamin Zohar, NCACIP

Nationally Certified Advanced Clinical Intervention Professional

Medically Reviewed by

Brandon McNally, RN

Registered Nurse specializing in addiction medicine

Published: 1/15/2025
Last Medical Review: 1/15/2025
2 min read

This article adheres to our review process for accuracy and medical expertise. All content is reviewed by licensed healthcare professionals and based on evidence-based practices. Learn more about our editorial guidelines.

Understanding Addiction: The Disease Model Explained

Addiction is now widely recognized as a chronic brain disease, not a moral failing or lack of willpower. This understanding has revolutionized how we approach treatment in Long Island and across New York. Learn more about what addiction really is.

What Makes Addiction a Disease?

According to the American Society of Addiction Medicine (ASAM), addiction is characterized by:

  • Brain chemistry changes: Substance use alters neurotransmitter function
  • Compulsive behaviors: Loss of control over substance use
  • Continued use despite harm: Physical, mental, and social consequences
  • Chronic relapsing nature: Similar to other chronic diseases like diabetes

The Science Behind Addiction

Research from the National Institute on Drug Abuse (NIDA) shows that addiction affects three key brain areas:

  1. Reward Circuit: Hijacked by substances, creating intense cravings
  2. Prefrontal Cortex: Impaired decision-making and impulse control
  3. Stress Systems: Heightened sensitivity to stress triggers

Treatment Implications in Long Island

Understanding addiction as a disease has led to evidence-based treatments available throughout Nassau and Suffolk Counties:

  • Medical Detoxification: Safe withdrawal management
  • Medication-Assisted Treatment (MAT): FDA-approved medications for opioid and alcohol addiction
  • Behavioral Therapies: Cognitive-behavioral therapy (CBT) and dialectical behavior therapy (DBT)
  • Long-term Recovery Support: Peer support and aftercare programs

Recovery is Possible

With proper treatment and support, long-term recovery from addiction is achievable. Long Island offers comprehensive resources including:

If you or a loved one is struggling with addiction, call 844-DETOXNY for confidential help connecting with treatment resources.


Sources: NIDA.NIH.gov, SAMHSA.gov, ASAM.org

Medical References & Sources

This page contains information sourced from peer-reviewed medical literature, federal health agencies, and accredited medical institutions to ensure accuracy and compliance with E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness) standards.

  1. American Society of Addiction Medicine (ASAM). "Definition of Addiction." ASAM. Available at: https://www.asam.org/quality-care/definition-of-addiction
  2. National Institute on Drug Abuse (NIDA). "Drugs, Brains, and Behavior: The Science of Addiction." NIH. Available at: https://nida.nih.gov/publications/drugs-brains-behavior-science-addiction
  3. Volkow, N.D., Koob, G.F., & McLellan, A.T.. "Neurobiologic Advances from the Brain Disease Model of Addiction." New England Journal of Medicine, 2016 DOI: 10.1056/NEJMra1511480. Available at: https://doi.org/10.1056/NEJMra1511480
  4. Substance Abuse and Mental Health Services Administration (SAMHSA). "The Science of Addiction." SAMHSA. Available at: https://www.samhsa.gov/find-help/atod

Medical Disclaimer

The information provided on this page is for educational purposes only and should not be considered medical advice. This page does not provide medical diagnoses, treatment prescriptions, or clinical recommendations. Always consult with qualified healthcare professionals for diagnosis and treatment of substance use disorders. If you are experiencing a medical emergency, call 911 immediately.

This content was written by certified addiction professionals and reviewed by licensed medical practitioners to ensure accuracy and adherence to current clinical guidelines. Last fact-checked: July 21, 2026.

If you or someone you know is struggling with substance use, you can reach our 24/7 confidential Long Island Rehab Helpline at 844-338-6969 for free, confidential information and treatment referral.

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