Negative Self-Beliefs After Trauma Drive Cannabis Cravings

Among trauma-exposed cannabis users, negative thoughts about oneself (not about the world or self-blame) predicted increased cravings to use cannabis for coping after being reminded of their trauma.

Deguzman-Lucero, Regine M et al.·The British journal of clinical psychology·2026·Preliminary EvidenceCross-Sectional
RTHC-08217Cross SectionalPreliminary Evidence2026RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Cross-Sectional
Evidence
Preliminary Evidence
Sample
N=56

What This Study Found

Elevated posttraumatic cognitions were significantly associated with increased state cravings to use cannabis to cope (β=.19, p=.025). Of the three types of posttraumatic cognitions, only negative cognitions about the self predicted increased cravings (β=.19, p=.024); self-blame and negative world views did not.

Key Numbers

56 participants. 58.9% female. Mean age 20.69 years. 73.2% White. Negative self-cognitions predicted cravings (β=.19, p=.024, sr²=.03). Self-blame: not significant. Negative world views: not significant. Effects held after controlling for cannabis frequency and PTSD diagnosis.

How They Did This

Experimental design with 56 trauma-exposed cannabis users (58.9% female, mean age 20.69). Participants self-reported posttraumatic cognitions and cannabis frequency, received a PTSD diagnostic assessment, then underwent trauma script-driven imagery. Cannabis coping cravings measured before and after trauma cue exposure.

Why This Research Matters

Identifying that self-directed negative thoughts specifically drive cannabis coping cravings provides a clear therapeutic target. Clinicians can focus on challenging negative self-beliefs to reduce problematic cannabis use in trauma survivors.

The Bigger Picture

This refines our understanding of why trauma survivors turn to cannabis. It's not generalized negativity or world-weariness that drives coping use — it's specifically how people feel about themselves after trauma. This suggests cognitive therapy targeting self-perception could reduce cannabis dependence.

What This Study Doesn't Tell Us

Small sample (56 participants). Predominantly white. Lab setting with scripted imagery may not reflect real-world triggers. Cross-sectional cravings (not actual use measured). Young adult college sample may not generalize to older trauma survivors.

Questions This Raises

  • ?Would cognitive therapy targeting negative self-cognitions reduce real-world cannabis use?
  • ?Do these patterns hold for other substances?
  • ?Would the effect be stronger in people with more severe PTSD?

Trust & Context

Key Stat:
Evidence Grade:
Small experimental study with targeted manipulation — provides mechanistic insight but needs replication in larger, more diverse samples.
Study Age:
Published in 2026, advancing understanding of trauma-cannabis use mechanisms.
Original Title:
Associations between posttraumatic cognitions and cannabis cravings among trauma-exposed individuals using cannabis.
Published In:
The British journal of clinical psychology, 65(1), 250-266 (2026)
Database ID:
RTHC-08217

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

A snapshot of a population at one point in time.

What do these levels mean? →

Frequently Asked Questions

Why do trauma survivors crave cannabis?

This study found that negative beliefs about oneself after trauma (like 'I'm damaged' or 'I can't cope') specifically drove cannabis cravings — not general negativity about the world or self-blame for the trauma.

Could therapy help reduce cannabis cravings in trauma survivors?

Potentially — since negative self-cognitions were the specific driver, cognitive therapy techniques that challenge these beliefs could reduce the motivation to use cannabis for coping.

Read More on RethinkTHC

Cite This Study

RTHC-08217·https://rethinkthc.com/research/RTHC-08217

APA

Deguzman-Lucero, Regine M; Le, Jennifer U; Schmidt, Norman B; Short, Nicole A. (2026). Associations between posttraumatic cognitions and cannabis cravings among trauma-exposed individuals using cannabis.. The British journal of clinical psychology, 65(1), 250-266. https://doi.org/10.1111/bjc.70016

MLA

Deguzman-Lucero, Regine M, et al. "Associations between posttraumatic cognitions and cannabis cravings among trauma-exposed individuals using cannabis.." The British journal of clinical psychology, 2026. https://doi.org/10.1111/bjc.70016

RethinkTHC

RethinkTHC Research Database. "Associations between posttraumatic cognitions and cannabis c..." RTHC-08217. Retrieved from https://rethinkthc.com/research/deguzman-lucero-2026-associations-between-posttraumatic-cognitions

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.