A technology-delivered health communication intervention showed promise in reducing cannabis misuse intentions among college students, though the sample was small.
University health professionals, public health researchers, and anyone interested in evidence-based approaches to cannabis harm reduction for young adults.
What the researchers found
The intervention, voiced by a cannabis marketing professional, effectively shifted student attitudes and intentions around cannabis misuse in a pre/post-test design with 64 participants.
Why it matters
College students face unique cannabis risks as legalization expands. Finding effective, scalable communication strategies that resonate with young adults could reduce misuse without relying on prohibition-era messaging.
The numbers in context
N = 64 college students participated in the proof-of-concept study at one Washington state university.
How the study worked
Proof-of-concept pretest/post-test lab experiment with 64 college students at a Washington state university testing a technology-delivered health communication intervention.
What this study cannot tell us
Very small sample from a single university, no control group, pre/post design without long-term follow-up, and conducted in a legal-cannabis state which may limit generalizability.
How to read the evidence
Small proof-of-concept with no control group — interesting signal but far from definitive evidence of efficacy.
When this study was published
Recent study reflecting the current landscape of college cannabis use in legal-market states.
The bigger picture
Traditional anti-drug messaging often fails with young adults. This study explores whether credible voices from the cannabis industry can deliver more effective harm reduction messaging.
Questions still open
- Would this approach work at scale across diverse campuses? Does the messenger's industry credibility genuinely improve message reception compared to health professionals?
Common questions
What made this intervention different from typical anti-drug messaging?
Did students actually reduce their cannabis use?
Read the original research
A proof-of-concept study examining a health communication intervention to reduce cannabis misuse among college students.
Journal of American college health : J of ACH, 73(9), 3312-3315
Citation
Willoughby, Jessica Fitts; Hust, Stacey J T; Couto, Leticia; Price, Ron; Johnson, Opeyemi; Nickerson, Christina Griselda; Oladele, Pearl; Gray, Marie; Maykovich, Bailey. (2025). A proof-of-concept study examining a health communication intervention to reduce cannabis misuse among college students.. Journal of American college health : J of ACH, 73(9), 3312-3315. https://doi.org/10.1080/07448481.2024.2418527
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