Cannabis Users with ADHD Reported Fewer Symptoms After Acute Use but Showed Cognitive Differences
In a study of 104 adults, cannabis users with ADHD reported reduced ADHD symptoms after acute cannabis use, but chronic cannabis use was associated with cognitive differences regardless of ADHD status.
Quick Facts
What This Study Found
Cannabis users with ADHD reported subjective improvement in ADHD symptoms after acute cannabis use. However, chronic cannabis use was associated with cognitive differences on objective measures, regardless of whether participants had ADHD. The study assessed both chronic effects (regular use) and acute effects (before/after cannabis use).
Key Numbers
104 adults in 4 matched groups of 26. Assessed chronic and acute cannabis effects. Subjective: ADHD symptom reduction after acute use. Objective: cognitive differences associated with chronic use regardless of ADHD.
How They Did This
Repeated-measures quasi-experimental study with 104 adults in 4 groups: cannabis users with ADHD (n=26), non-users with ADHD (n=26), cannabis users without ADHD (n=26), non-users without ADHD (n=26). Session 1 assessed chronic effects; session 2 assessed acute effects.
Why This Research Matters
Many people with ADHD use cannabis to self-treat symptoms, but objective evidence is limited. This study distinguishes between perceived symptom improvement and actual cognitive performance, finding they may diverge.
The Bigger Picture
The disconnect between subjective symptom improvement and objective cognitive effects suggests cannabis may make people with ADHD feel better without necessarily improving cognitive function, which has implications for self-medication decisions.
What This Study Doesn't Tell Us
Quasi-experimental, not randomized. Small groups (26 per cell). Cannot control for all confounders between cannabis users and non-users. Self-selected participants. Acute effects measured in a controlled setting may not reflect real-world use.
Questions This Raises
- ?Does long-term cannabis use worsen ADHD cognitive deficits?
- ?Could specific cannabinoid profiles improve ADHD symptoms without cognitive costs?
Trust & Context
- Key Stat:
- Evidence Grade:
- Well-designed quasi-experimental study with matched groups and dual outcome assessment, but small sample and non-randomization limit to moderate.
- Study Age:
- Recently published quasi-experimental study.
- Original Title:
- A naturalistic examination of the effects of chronic and acute cannabis use on cognition and perceived symptoms of attention-deficit/hyperactivity disorder.
- Published In:
- Psychopharmacology (2025)
- Authors:
- Stueber, Amanda M, LaFrance, Emily M(3), Herbert, Robyn S, Cuttler, Carrie
- Database ID:
- RTHC-07739
Evidence Hierarchy
Watches what happens naturally without intervening.
What do these levels mean? →Frequently Asked Questions
Does cannabis help ADHD?
Users with ADHD reported feeling their symptoms improved after using cannabis, but objective cognitive tests showed chronic cannabis use was associated with cognitive differences regardless of ADHD status. The subjective benefit may not translate to actual cognitive improvement.
Should people with ADHD use cannabis instead of medication?
This study suggests caution. While users perceived symptom improvement, chronic use was associated with cognitive differences that could potentially offset any symptomatic benefit.
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Cite This Study
https://rethinkthc.com/research/RTHC-07739APA
Stueber, Amanda M; LaFrance, Emily M; Herbert, Robyn S; Cuttler, Carrie. (2025). A naturalistic examination of the effects of chronic and acute cannabis use on cognition and perceived symptoms of attention-deficit/hyperactivity disorder.. Psychopharmacology. https://doi.org/10.1007/s00213-025-06921-9
MLA
Stueber, Amanda M, et al. "A naturalistic examination of the effects of chronic and acute cannabis use on cognition and perceived symptoms of attention-deficit/hyperactivity disorder.." Psychopharmacology, 2025. https://doi.org/10.1007/s00213-025-06921-9
RethinkTHC
RethinkTHC Research Database. "A naturalistic examination of the effects of chronic and acu..." RTHC-07739. Retrieved from https://rethinkthc.com/research/stueber-2025-a-naturalistic-examination-of
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.