Études fondées sur les communautés Reddit

Monitoring novel psychoactive substance trends on social media: Analysis of discussions and dashboard implementation.

Drug Alcohol Depend . 2026;286 :113249

Résumé

INTRODUCTION: Novel psychoactive substances (NPSs), due to rapid emergence and evolving use patterns, pose a significant public health surveillance challenge. Traditional surveillance lags street-level reality, necessitating the exploration of novel strategies and data sources like Reddit for continuous NPS trend monitoring and presenting a public dashboard.METHODS: We mined data from 60,601 subreddits between January 2015 and June 2025 for seven NPSs (kratom, xylazine, medetomidine, nitazenes, tianeptine, bromazolam, and 2C-B) using keyword-variants. We performed Mann-Kendall trend tests to assess temporal patterns, computed correlations to compare post volumes with National Forensic Laboratory Information System (NFLIS) drug report counts (2015-2024), conducted cross-correlation analyses at ±2-year lags to identify lead-lag relationships, and created a public dashboard for data visualization.RESULTS: The dataset comprised 328,223 posts from 139,901 accounts. We observed moderate to strong correlations between Reddit volumes and three out of five NPSs with NFLIS reports: bromazolam (ρ = 0.81, p 

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