分析TikTok上毒品相关话题，发现以戒断支持为主流。
From #Dr00gtiktok to #harmreduction: Exploring Substance Use Hashtags on TikTok
- 通过社交网络与内容编码结合，分析2333个标签
- 33.9%视频为戒断倡导，仅6.5%展示实际使用
- 算法推荐推动支持社区自发形成
TikTok已成为青少年获取信息与社交的重要平台，引发对其物质使用话题传播形态的关切。本文首次对平台公开可见、由算法推荐的物质相关内容进行全面分析，涵盖所有主要物质类别的标签。基于混合方法，研究分析了2,333个物质相关标签，识别出16个不同的标签社群，并刻画其结构与主题关系。网络分析显示，以 extit{ exttt{#addiction}}、 extit{ exttt{#recovery}}、 extit{ exttt{#sober}}为代表的康复类标签构成高度互联的小世界结构中的核心桥梁。对351个代表性视频的质性分析表明，戒断倡导内容占比33.9%，讽刺内容占28.2%，直接展示物质使用仅占26%，其中实际使用画面不足6.5%。结果表明，算法推送层的物质相关讨论以康复、支持和应对为主，而非直接推广使用。进一步发现，标签社群与视频内容高度一致，说明平台上的物质使用话语是在平台特性下自然形成的社区，而非广泛规避审核的对抗行为。本研究为社会计算提供了新视角，揭示算法可见性如何塑造物质相关话语组织与支持社群的形成。
原文摘要 · Abstract (English)
TikTok has emerged as a major source of information and social interaction for youth, raising urgent questions about how substance use discourse manifests and circulates on the platform. This paper presents the first comprehensive analysis of publicly visible, algorithmically surfaced substance-related content on TikTok, drawing on hashtags spanning all major substance categories. Using a mixed-methods approach that combines social network analysis with qualitative content coding, we examined 2,333 substance-related hashtags, identifying 16 distinct hashtag communities and characterizing their structural and thematic relationships. Our network analysis reveals a highly interconnected small-world structure in which recovery-focused hashtags such as \textit{\#addiction}, \textit{\#recovery}, and \textit{\#sober} serve as central bridges between communities. Qualitative analysis of 351 representative videos shows that Recovery Advocacy content (33.9\%) and Satirical content (28.2\%) dominate, while direct substance depiction appears in only 26\% of videos, with active use shown in just 6.5\% of them. These findings suggest that the algorithmically surfaced layer of substance-related discourse on TikTok is predominantly oriented toward recovery, support, and coping rather than explicit promotion of substance use. We further show that hashtag communities and video content are closely aligned, indicating that substance-related discourse on TikTok is shaped through organic community formation within platform affordances rather than widespread adversarial evasion of moderation. This work contributes to social computing research by showing how algorithmic visibility on TikTok shapes the organization of substance-related discourse and the formation of recovery and support communities.
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