Transformer-Based Topic Modeling: Characterizing Cannabis Product Adverse Experiences Self-Reported as Requiring Medical Attention on Reddit.

Mackey, Tim Ken; Nali, Matthew C; Larsen, Meng Zhen; Li, Zhuoran; Taylor, Cassandra L; Wolpert, Beverly; Trice, Catharine · J Med Internet Res · 2026

cross_sectional · Level IV

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Abstract

This study uses keyword filtering, a transformer-based algorithm, and inductive content coding to identify and characterize cannabis adverse experiences as discussed on the social media platform Reddit and reports a total of 1177 self-reported adverse experiences requiring medical attention.

Medical subject headings