Skip to main content
Get Help Now
631-SOBERME
Cannabis marijuana plant and buds - addiction treatment resources on Long Island New York
Cannabis Use Disorder
Mental Health Impact

Cannabis Use Disorder

Evidence-based treatment for marijuana addiction with cognitive behavioral therapy in New York and Long Island

Published: November 25, 2025
Last Edited: February 7, 2026
11 min read
BZ

Written by

Benjamin Zohar, NCACIP

Nationally Certified Advanced Addiction Intervention Professional

EZ

Edited by

Ezra Zohar, M.S. Ed.

Editorial Director

BM

Medically Reviewed by

Brandon McNally, RN

Medical Reviewer, ICU Critical Care Nurse

Published: November 25, 2025
Last edited: February 7, 2026
11 min read

Cannabis use disorder affects approximately 3 in 10 people who use marijuana, according to the National Institute on Drug Abuse (NIDA). With New York legalizing recreational cannabis in 2021, understanding the risks and treatment options for marijuana addiction has become increasingly important.

Research published in JAMA Psychiatry shows cannabis use disorder prevalence has doubled since 2001, driven partly by increasing THC potency in modern products—average THC content has risen from 4% in the 1990s to over 15% today, with concentrates exceeding 80%.

For Long Island and New York residents struggling with cannabis dependence, evidence-based behavioral therapies offer effective treatment. While cannabis withdrawal is not medically dangerous, it can be uncomfortable enough to derail recovery without professional support.

Key Takeaways: Cannabis Use Disorder Essentials

Cannabis Is Addictive:

Approximately 9% of users develop dependence, rising to 17% for adolescent-onset users and 25-50% for daily users.

Mental Health Risks Are Real:

Regular use increases risk of psychosis, anxiety, and depression—especially with high-potency products and adolescent use.

Withdrawal Is Real But Manageable:

Symptoms include irritability, anxiety, sleep problems, and decreased appetite. Peak at days 2-6, resolve within 1-2 weeks.

Effective Treatment Exists:

CBT and motivational enhancement therapy achieve strong outcomes. Most treatment is outpatient-based.

Cannabis Use Disorder

Cannabis Addiction Risks

Rising THC potency has increased addiction and mental health risks

THC Potency Over Time

1990s
4%
Lower Risk
2010s
12%
Moderate Risk
2020s Flower
15-25%
Higher Risk
Concentrates
50-90%
Highest Risk
9%
All Users
develop addiction
17%
Adolescent Users
develop addiction
25-50%
Daily Users
develop addiction

Mental Health Risks

Psychosis5x higher with daily high-potency use
Anxiety2x higher with regular use
DepressionIncreased with chronic use

Struggling with cannabis use?

Confidential Help: 631-762-3763

Cannabis Use Disorder

Rising addiction rates with higher potency

16.3M
With cannabis use disorder
SAMHSA
300%
THC potency increase since 1990s
NIDA
17%
Teen users develop CUD
NIDA
25-50%
Daily users become dependent
NCBI
Cannabis Withdrawal

Cannabis Withdrawal Timeline

Cannabis withdrawal is real—especially with high-potency products

1

Onset

Days 1-3
IrritabilityAnxietySleep difficultyDecreased appetiteRestlessness
Mild to Moderate
2

Peak Symptoms

Days 4-14
Peak irritabilityInsomniaNight sweatsHeadachesCravings intensify
Moderate
3

Gradual Improvement

Weeks 2-4
Sleep improvingAppetite returningMood stabilizingCravings decreasing
Mild
4

Resolution

Weeks 4+
Most symptoms resolveOccasional cravingsFull recovery in 4-6 weeks
Minimal

Outpatient Treatment Works

Cannabis withdrawal rarely requires medical intervention. CBT, motivational enhancement therapy, and support groups are highly effective.

Ready to quit cannabis?

Confidential Help: 631-762-3763

What Is Cannabis Use Disorder?

Cannabis use disorder (CUD) is defined in the DSM-5 as a problematic pattern of cannabis use leading to clinically significant impairment or distress. According to NIDA, approximately 3 in 10 marijuana users develop some degree of CUD.

How Cannabis Affects the Brain: THC (delta-9-tetrahydrocannabinol) activates cannabinoid receptors throughout the brain, producing euphoria, relaxation, altered sensory perception, and impaired memory. Chronic use leads to downregulation of these receptors, creating tolerance and dependence.

Rising Potency Increases Risk: Modern cannabis products are far more potent than those of previous decades. Average THC content has increased from approximately 4% in the 1990s to over 15% in today's flower, with concentrates (dabs, wax, shatter) containing 50-90% THC. Higher potency correlates with faster dependence development and greater mental health risks.

Diagnostic Criteria: CUD diagnosis requires 2+ of the following within 12 months: using more than intended, unsuccessful attempts to quit, significant time spent using/recovering, cravings, failure to fulfill obligations, continued use despite problems, giving up activities, use in hazardous situations, continued use despite psychological problems, tolerance, and withdrawal.

Cannabis Withdrawal Timeline

TimelineSymptomsClinical Notes
Days 1-2
Irritability, anxiety, restlessness, decreased appetite, difficulty sleepingOnset of withdrawal. Symptoms emerge as THC clears from system.
Days 2-6
Peak symptoms: intense cravings, mood swings, insomnia, vivid dreams, night sweatsPeak withdrawal. Highest relapse risk. Support most important during this phase.
Days 7-14
Gradually decreasing symptoms, improving sleep, normalizing appetiteAcute symptoms resolving. Continue therapy and relapse prevention.
Weeks 2-4+
Occasional cravings, mild mood fluctuations, sleep normalizationPost-acute symptoms may persist in heavy users. Ongoing support helpful.

Source: American Journal of Psychiatry: Cannabis Withdrawal Syndrome

Cannabis and Mental Health

The relationship between cannabis and mental health is a growing concern, particularly with increasing potency and earlier age of first use.

Psychosis Risk

A major study published in The Lancet Psychiatry found that daily use of high-potency cannabis increases the risk of psychotic disorders 5-fold compared to non-users. The risk is particularly elevated for individuals with genetic predisposition or family history of psychosis.

Anxiety and Depression

While many users report using cannabis to manage anxiety, research shows chronic use often worsens anxiety disorders over time. The temporary relief creates a cycle of dependence, with withdrawal-related anxiety reinforcing continued use.

Adolescent Brain Development

Cannabis use during adolescence—when the brain is still developing—poses particular risks. NIDA research indicates that regular use before age 18 is associated with lasting changes in cognitive function, lower IQ, and increased mental health disorder risk.

Treatment Options for Cannabis Use Disorder

Cannabis use disorder is primarily treated with behavioral therapies. Unlike opioid or alcohol addiction, there are no FDA-approved medications specifically for CUD, though research is ongoing.

Get Support Today

Confidential support for cannabis use disorder treatment in New York and Long Island.

Call 631-762-3763

Frequently Asked Questions

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. National Institute on Drug Abuse (NIDA). "Cannabis (Marijuana) DrugFacts." NIDA Publications, 2024. Available at: https://nida.nih.gov/publications/drugfacts/cannabis-marijuana
  2. Substance Abuse and Mental Health Services Administration (SAMHSA). "Key Substance Use and Mental Health Indicators: Marijuana Use Disorder." SAMHSA National Survey on Drug Use and Health, 2023. Available at: https://www.samhsa.gov/data/release/2023-national-survey-drug-use-and-health-nsduh-releases
  3. Hasin DS, Saha TD, Kerridge BT, et al.. "Prevalence of Marijuana Use Disorders in the United States Between 2001-2002 and 2012-2013." JAMA Psychiatry, 2015 DOI: 10.1001/jamapsychiatry.2015.1858. Available at: https://doi.org/10.1001/jamapsychiatry.2015.1858
  4. Budney AJ, Hughes JR, Moore BA, Vandrey R. "Review of the Validity and Significance of Cannabis Withdrawal Syndrome." American Journal of Psychiatry, 2004 DOI: 10.1176/appi.ajp.161.11.1967. Available at: https://doi.org/10.1176/appi.ajp.161.11.1967
  5. Di Forti M, Quattrone D, Freeman TP, et al.. "The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe." The Lancet Psychiatry, 2019 DOI: 10.1016/S2215-0366(19)30048-3. Available at: https://doi.org/10.1016/S2215-0366(19)30048-3
  6. New York State Office of Cannabis Management. "Cannabis Legalization in New York: Adult-Use Cannabis Law." NY Cannabis Laws, 2024. Available at: https://cannabis.ny.gov/

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 6, 2026.

If you or someone you know is struggling with substance use, you can reach our 24/7 confidential Long Island Rehab Helpline at 631-762-3763 for free, confidential information and treatment referral.

Related Resources

Recovery Support Network

Long Island Rehab Helpline & Crisis Intervention connects families with trusted clinical resources across New York.

Our network includes: Intervention NY, Every1 Center, HVATC, and Long Island Addiction Treatment Resources