Paranoid and Dysphoric Cannabis Experiences Were the Strongest Predictors of Wanting to Quit | Research

The takeaway

Among 441 current and past cannabis users, paranoid and dysphoric intoxication experiences were the strongest predictors of motivation to stop using, more so than psychosis-like symptoms like hallucinations, with past users reporting significantly more unpleasant and fewer positive experiences than current users.

Addiction therapists, cannabis cessation counselors, substance use researchers.

Paranoia and dysphoria were stronger quit motivators than hallucinations

What the researchers found

Paranoid/dysphoric intoxication effects were the strongest predictors of abstinence motivation. Psychosis-like effects such as hallucinations were less predictive. Past users reported significantly more unpleasant and fewer positive experiences than current users retrospectively. Current users intending to stop had significantly more paranoia/dysphoria than those not intending to stop.

Why it matters

Understanding what makes people want to quit cannabis has practical implications for treatment. If paranoia and dysphoria are the key drivers of cessation motivation, treatment programs can leverage these experiences rather than focusing solely on psychosis education.

The numbers in context

N=441 (current and past users). Paranoid/dysphoric effects most predictive of abstinence motivation. Hallucinations less predictive. Past users had more unpleasant, fewer positive experiences than current users. Current users wanting to quit had more paranoia/dysphoria.

How the study worked

Mixed methods online survey of 441 current and past cannabis users analyzing predictive impact of different intoxication effects on abstinence motivation/cessation, controlling for craving, consumption patterns, and sociodemographics.

What this study cannot tell us

Cross-sectional and retrospective design. Online survey may attract non-representative sample. Past users' recall of experiences may be biased by the outcome (quitting). Cannot determine whether negative experiences caused quitting or quitting changed retrospective recall.

How to read the evidence

Mixed methods online survey with regression analysis. Cross-sectional design limits causal inference.

When this study was published

Published in 2023.

The bigger picture

This study supports the "discontinuation hypothesis": as cannabis potency increases, more users experience unpleasant effects that drive them to quit, which may partially explain why schizophrenia incidence has not risen in proportion to cannabis use and potency increases.

Questions still open

Could treatment programs use paranoid experiences as a motivational tool for cessation?
Does the discontinuation hypothesis hold in populations using very high-potency cannabis?

Common questions

What makes people want to quit cannabis?

Paranoid and dysphoric (unpleasant mood) experiences during intoxication were the strongest predictors of wanting to stop, more than psychosis-like symptoms like hallucinations.

Do past users remember cannabis differently?

Yes. Past users reported significantly more unpleasant experiences and fewer positive ones compared to current users, though this may reflect recall bias or genuinely worse experiences that drove cessation.

Read the original research

Predictive impact of different acute cannabis intoxication effects with regard to abstinence motivation and cessation of use.

Scientific reports, 13(1), 709

View on PubMed ↗Publisher’s paper ↗

Citation

Schnell, Thomas; Grömm, Christina-Marie; Klöckner, Nils. (2023). Predictive impact of different acute cannabis intoxication effects with regard to abstinence motivation and cessation of use.. Scientific reports, 13(1), 709. https://doi.org/10.1038/s41598-023-27592-6