Canadian veterans who used cannabis regularly had higher rates of chronic pain, mental disorders, and suicidal thoughts but were also more likely to seek help

Among 1,992 Canadian veterans, 16.7% used cannabis in the past year, with regular users having 2-4 times the odds of chronic pain, mental health disorders, and suicidal ideation, but also 5.6 times the odds of seeking professional help.

Taillieu, Tamara L et al.·Journal of cannabis research·2026·Moderate EvidenceCross-Sectional
RTHC-08654Cross SectionalModerate Evidence2026RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Cross-Sectional
Evidence
Moderate Evidence
Sample
N=1,992

What This Study Found

Regular cannabis use was associated with increased odds of tobacco smoking, arthritis, any chronic pain, several mental disorders, and suicidal ideation (AOR 1.61-3.99). Both infrequent and regular cannabis users were more likely to perceive a need for care (AOR 2.15 and 4.85) and seek professional help (AOR 2.25 and 5.56) compared to non-users.

Key Numbers

1,992 veterans. 16.7% used cannabis past year. Infrequent use: AOR 2.37 for PTSD, 2.58 for binge drinking. Regular use: AOR 1.61-3.99 for chronic pain, mental disorders, suicidal ideation. Regular users: AOR 4.85 for perceived need for care, 5.56 for professional help-seeking.

How They Did This

Cross-sectional analysis of 1,992 veteran respondents from the 2018 Canadian Armed Forces Members and Veterans Mental Health Follow-up Survey. Logistic regression examined associations between past 12-month cannabis use (none, infrequent, regular) and mental disorders, chronic pain, substance use, suicidal behaviors, and help-seeking.

Why This Research Matters

The dual finding matters: veterans who use cannabis regularly have complex health needs, but they are also significantly more likely to seek help. This creates a clinical opportunity for providers to address multiple needs when cannabis-using veterans present for care.

The Bigger Picture

Veterans represent a population where cannabis use, mental health conditions, and chronic pain frequently intersect. This Canadian study adds to the growing literature showing cannabis-using veterans as a high-need, high-engagement population.

What This Study Doesn't Tell Us

Cross-sectional design cannot determine whether cannabis use is a cause, consequence, or self-medication for the associated conditions. Self-reported data. Survey from 2018 may not reflect current patterns. Cannot distinguish medical from recreational use.

Questions This Raises

  • ?Are veterans using cannabis to self-medicate PTSD and chronic pain?
  • ?Does cannabis use in veterans lead to better or worse long-term mental health outcomes?
  • ?How can the higher help-seeking behavior be leveraged for integrated care?

Trust & Context

Key Stat:
Regular users: 4x odds of mental disorders, 5.6x odds of seeking help
Evidence Grade:
Moderate: large veteran cohort with comprehensive mental health and help-seeking measures, but cross-sectional design limits causal inference.
Study Age:
Published 2026. Data from 2018 survey.
Original Title:
Cannabis use among Canadian veterans: associations with the use of other substances, chronic pain conditions, mental disorders, suicide behaviours, and help-seeking.
Published In:
Journal of cannabis research, 8(1), 28 (2026)
Database ID:
RTHC-08654

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

How common is cannabis use among Canadian veterans?

About 16.7% of Canadian veterans reported past-year cannabis use in this 2018 survey, with regular users having significantly more complex health profiles.

Do veterans who use cannabis seek mental health help?

Yes, significantly so. Regular cannabis users were 5.6 times more likely to seek professional help and 4.85 times more likely to perceive a need for care compared to non-users.

Read More on RethinkTHC

Cite This Study

RTHC-08654·https://rethinkthc.com/research/RTHC-08654

APA

Taillieu, Tamara L; Salmon, Samantha; Stewart-Tufescu, Ashley; Sareen, Jitender; Enns, Murray W; Mota, Natalie; Bolton, Shay-Lee; Carleton, R Nicholas; Stein, Murray B; Afifi, Tracie O. (2026). Cannabis use among Canadian veterans: associations with the use of other substances, chronic pain conditions, mental disorders, suicide behaviours, and help-seeking.. Journal of cannabis research, 8(1), 28. https://doi.org/10.1186/s42238-025-00377-6

MLA

Taillieu, Tamara L, et al. "Cannabis use among Canadian veterans: associations with the use of other substances, chronic pain conditions, mental disorders, suicide behaviours, and help-seeking.." Journal of cannabis research, 2026. https://doi.org/10.1186/s42238-025-00377-6

RethinkTHC

RethinkTHC Research Database. "Cannabis use among Canadian veterans: associations with the ..." RTHC-08654. Retrieved from https://rethinkthc.com/research/taillieu-2026-cannabis-use-among-canadian

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.