Cannabis-Dependent Young People Seeking Help Usually Have Multiple Mental Health Conditions | Research

The takeaway

Young people aged 14 to 29 who sought treatment for cannabis dependence and mental health problems typically had at least two additional psychiatric diagnoses, with anxiety disorders being the most common.

Read this if you are a young person dealing with both cannabis dependence and anxiety or other mental health challenges.

Most participants had 2+ psychiatric diagnoses beyond cannabis dependence

What the researchers found

Among 36 young people seeking help for both cannabis dependence and mental health issues, the psychiatric picture was complex. Most had at least two Axis I disorders on top of their cannabis dependence. Anxiety disorders dominated, particularly PTSD, social phobia, and generalized anxiety disorder.

Participants reported moderate dependence severity, significant functional impairment, and numerous cannabis-related problems. While males and females used similar total amounts per month, females used cannabis more frequently.

Why it matters

Treatment programs that address cannabis use alone may miss the multiple co-occurring psychiatric conditions that young people bring to treatment. Effective intervention likely requires integrated approaches that address anxiety, trauma, and other conditions simultaneously.

The numbers in context

36 participants aged 14-29. Most had 2+ Axis I disorders beyond cannabis dependence. PTSD, social phobia, and GAD were the most common anxiety diagnoses. Females used cannabis more frequently than males despite similar monthly quantities.

How the study worked

The study used structured clinical interviews (SCID for DSM-IV-TR) to diagnose psychiatric conditions in 36 help-seeking young people aged 14 to 29. Cannabis use patterns were measured with a modified Timeline Followback interview and self-report questionnaires.

What this study cannot tell us

The small sample of 36 participants limits generalizability. All participants were treatment-seeking, which means they may represent more severe cases than the general population of cannabis-dependent young people. The cross-sectional design cannot clarify whether psychiatric conditions preceded or followed cannabis dependence.

How to read the evidence

Small cross-sectional study of treatment-seeking young people; findings may not apply broadly.

When this study was published

Published in 2012. Integrated treatment approaches for co-occurring cannabis and mental health conditions have continued to develop.

The bigger picture

This study underscores the complexity of cannabis dependence in young people. It is rarely a standalone problem. The high prevalence of anxiety disorders, particularly PTSD, suggests that many young cannabis users may be self-medicating for untreated trauma and anxiety.

Questions still open

Would integrated treatment addressing both cannabis dependence and co-occurring anxiety disorders produce better outcomes? Do gender differences in use frequency reflect different motivations for use? How does trauma history shape cannabis use patterns in young people?

Common questions

Why do so many cannabis-dependent young people have anxiety disorders?

The relationship likely runs in both directions. Some young people may use cannabis to cope with pre-existing anxiety, while heavy cannabis use can also worsen or trigger anxiety symptoms. Trauma exposure, particularly PTSD, appeared frequently in this sample.

Did males and females use cannabis differently?

Males and females used similar total quantities per month, but females used more frequently. This could reflect different patterns of use, with females spreading their consumption across more occasions while males may use larger amounts per session.

Read the original research

Two Sides of the Same Coin: Cannabis Dependence and Mental Health Problems in Help-Seeking Adolescent and Young Adult Outpatients.

International journal of mental health and addiction, 10(6), 818-828

View on PubMed ↗

Citation

Norberg, Melissa M; Battisti, Robert A; Copeland, Jan; Hermens, Daniel F; Hickie, Ian B. (2012). Two Sides of the Same Coin: Cannabis Dependence and Mental Health Problems in Help-Seeking Adolescent and Young Adult Outpatients.. International journal of mental health and addiction, 10(6), 818-828.