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HomeConditionsSubstance Use & AddictionCannabis
Mental Health Condition

Cannabis

To define Cannabis: Cannabis use disorder is a pattern of marijuana use that causes significant problems in daily life, including inability to stop despite wanting to and withdrawal symptoms.

Overview

Description

Cannabis-related disorders include Cannabis Use Disorder, Cannabis Intoxication, and Cannabis Withdrawal. Cannabis is the most widely used illicit psychoactive substance, with delta-9-tetrahydrocannabinol (THC) as its main psychoactive component. Use can lead to acute cognitive and perceptual changes, functional impairment, and in some individuals, dependence and withdrawal symptoms.

Prevalence

Cannabis use disorder affects ~4% of U.S. adults; prevalence is highest among young adults (18–25). Withdrawal is reported in ~50% of daily users who quit abruptly.

Age of Onset

Often begins in adolescence, with earlier onset associated with higher risk of dependence and cognitive effects.

ICD-10 Code

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By HeyPsych Contributor
Reviewed by the HeyPsych Medical Review Board
Reviewed by the HeyPsych Medical Review Board
Board-certified psychiatrists and mental health professionals
Medical Review Board
Published: August 15, 2025
Last Updated: February 20, 2026
Last Reviewed: February 20, 2026

What Is Cannabis Use Disorder?

More than casual use: when marijuana takes control of daily life

Signs and Symptoms

From cravings and tolerance to withdrawal and continued use despite harm

Real-Life Stories

How cannabis use disorder affects students, professionals, and families

Getting a Diagnosis

What clinicians look for and how the evaluation works

Similar Conditions

How cannabis use disorder differs from anxiety, depression, and other substances

Lived Experience

First-person perspectives on what dependence really feels like

Treatment Options

Therapy approaches, lifestyle changes, and what recovery looks like

Outlook and Recovery

What to expect during recovery and factors that influence outcomes

Common Questions

Answers about addiction, withdrawal, driving, and more

This information about mental health conditions is for educational purposes only. If you believe you may be experiencing symptoms of a mental health condition, please consult with a qualified healthcare professional for proper evaluation and diagnosis.

Seeking Help for Cannabis?

If you recognize these symptoms in yourself or a loved one, know that help is available. Mental health conditions are treatable with options like Cognitive Behavioral Therapy, and early intervention can make a significant difference.
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