What topics does this cannabis study cover?

This study covers research on: Addiction, Mental Health, CBD, THC.

Where was this research published?

Published in Substance use & misuse on May 14, 2026.

Many adults use cannabis to reduce dangerous alcohol drinking

Cannabis for Harm Reduction: Exploring Mental Health and Other Motivational Factors among Adults at Risk for Alcohol Use Disorder in Florida.

Substance use & misuse • May 14, 2026 • Moderately Relevant

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AI Summary

This groundbreaking study reveals that many adults struggling with alcohol use disorder are turning to cannabis as a harm reduction strategy. Among 451 Florida residents who drink heavily (5+ drinks weekly), researchers found that 37.9% use marijuana (THC) and 32.2% use CBD specifically to reduce their alcohol consumption. The study uncovered critical patterns: individuals with severe alcohol problems, trauma histories, and mental health conditions were significantly more likely to use cannabis for this purpose, and many perceived these strategies as effective—especially when traditional treatment options felt inadequate or inaccessible.

The research identified specific factors driving cannabis use for alcohol reduction. Higher PTSD scores, childhood trauma (ACE-Q), anxiety, depression, and multiple health conditions all correlated strongly with both marijuana and CBD use for harm reduction. Most tellingly, those with the highest alcohol use severity scores (AUDIT ≥16) showed 1.83 times greater likelihood of using marijuana and 1.95 times greater likelihood of using CBD for reducing drinking. This suggests that people experiencing the most dangerous alcohol consumption patterns are actively seeking cannabis as an alternative.

These findings highlight a critical gap between patient needs and available treatment options. Rather than dismissing this trend, public health officials and healthcare providers should acknowledge that vulnerable populations—especially those with trauma, anxiety, depression, and limited access to evidence-based addiction treatment—are self-medicating with cannabis. The study calls for developing better support systems and exploring whether cannabis-based harm reduction could complement traditional alcohol treatment programs, particularly for high-risk groups where conventional interventions have fallen short.

📄 Original Abstract

Prior research has suggested that cannabis may serve as a safer alternative to alcohol, this study examined "marijuana" (THC-dominant cannabis) and cannabidiol (CBD) use as strategies to reduce alcohol consumption among adults who report harmful levels of drinking. Online surveys were distributed to 451 Florida adults (≥18 years) who consumed ≥5 alcoholic drinks weekly and reported any lifetime cannabis use. Measures included comorbid health conditions, alcohol use severity (Alcohol Use Disorder Identification Test [AUDIT]), depressive symptoms (PHQ-8), anxiety (GAD-7), post-traumatic stress symptoms (primary care post-traumatic stress disorder [PC-PTSD]), childhood trauma (Adverse Childhood Experience Questionnaire [ACE-Q]), and readiness to change (Readiness to Change Questionnaire [RCQ-12]). Chi-square and ANOVA examined differences across alcohol use risk groups; logistic regression identified factors associated with marijuana and CBD use for alcohol reduction. High (AUDIT scores ≥16) were found in 61.4% of males and 40.9% of females. Higher alcohol use risk was significantly associated with younger age, higher PHQ-8 and GAD-7 scores, greater ACE-Q scores, PTSD positivity, more health conditions, and higher readiness to change (p < 0.001). Marijuana (37.9%) and CBD (32.2%) were the most frequently reported alcohol-reduction strategies; higher alcohol use severity was linked to greater perceived effectiveness. Factors associated with marijuana use for alcohol reduction included higher PTSD scores (OR = 1.76), more comorbid conditions (OR = 1.17), action-stage readiness to change (OR = 1.47), and higher AUDIT scores (OR = 1.83). Factors associated with CBD use for alcohol reduction included higher ACE-Q scores (OR = 1.14), more comorbid conditions (OR = 1.18), action-stage readiness (OR = 1.50), and higher AUDIT scores (OR = 1.95). These findings identify key clinical and motivational correlates of cannabis use for alcohol harm reduction, informing future intervention development. This study found that individuals with severe alcohol problems, especially those with trauma and mental health conditions, frequently use cannabis to reduce drinking. Many perceive these strategies as effective, particularly when traditional treatments are inadequate or inaccessible. Public health efforts should recognize this growing interest in cannabis-based harm reduction and address the unmet needs of individuals who wish to reduce alcohol consumption, exploring alternative, evidence-based strategies to improve outcomes for high-risk groups and reduce the broader burden of alcohol-related harm.

Paper Type

📄 Research

Publication

Journal: Substance use & misuse
Published: May 14, 2026
PMID: 42135976
DOI: 10.1080/10826084.2026.2670620

Authors (4)

Jennifer Attonito College of Business, Health Administration Programs, Florida Atlantic University, Boca Raton, Florida, USA.
Jocelyn Mueller Department of Psychiatry, School of Medicine, University of California San Diego, La Jolla, California, USA.
Karina Villalba College of Medicine, Population Health Sciences, University of Central Florida, Orlando, Florida, USA.
Aditya Chakraborty Department of Epidemiology, Biostatistics, and Environmental Health, Joint School of Public Health, Old Dominion University, Norfolk, Virginia, USA.