26 July, 2025
impact-of-negative-social-media-comments-on-mental-health-new-study-insights

Even brief exposure to negative social media comments can trigger immediate anxiety and mood drops in adults, especially younger users, new research reveals. This study, published in the journal Scientific Reports, highlights the psychological toll of online interactions, particularly among younger demographics.

Researchers conducted an experimental investigation using artificial intelligence (OpenAI’s ChatGPT) to expose adult participants to negative, neutral, or positive comments in a simulated online forum. The findings indicate that reading negative comments significantly increased anxiety levels and lowered moods compared to other conditions.

Understanding the Study

The study involved 129 participants, recruited via the online platform “Prolific,” who were randomly assigned to read either positive, negative, or neutral comments. Participants imagined themselves as bloggers and selected topics of interest, such as gardening or gaming, to enhance their engagement with the scenario. However, the comments they received were predetermined and generated by AI to ensure consistency.

Each participant viewed a total of 40 comments across four blog topics. The study aimed to measure the direct psychological impact of negative feedback on adults, utilizing the State-Trait Anxiety Inventory (STAI-S) and the Brief Mood Introspection Scale (BMIS) to assess their mental states.

Key Findings

The results revealed a strong statistical link between comment type and emotional state. Participants exposed to negative comments exhibited significantly higher anxiety levels than those who read neutral or positive comments.

“On a 4-point anxiety scale, participants who read negative comments scored much higher (2.42) than those who read neutral comments (1.77) or positive comments (1.55). This difference was statistically significant and represented a large effect (p < .001, ηp² = 0.256)."

Furthermore, an exploratory analysis showed that younger adults (under 35 years) reported greater anxiety and less pleasant moods than their older counterparts, highlighting their heightened vulnerability to harmful social media exposure.

Broader Implications

The study’s findings underscore the complex dynamics of online interactions and their impact on mental health. Social media platforms, used by over 5.2 billion people globally, have reshaped communication and connection but also facilitated negative interactions due to the “online disinhibition effect,” where anonymity reduces accountability.

With younger demographics being the most active social media users, understanding their mental response to online negativity is crucial. The research suggests that younger adults are particularly sensitive to social evaluation and criticism, which may be exacerbated by their ongoing identity formation.

Limitations and Future Directions

While the study provides valuable insights, it has limitations. The use of AI-generated comments may not fully capture the complexity of real social media interactions, which often include emojis and diverse content. Additionally, the sample primarily consisted of English-speaking participants from Western backgrounds, potentially limiting the generalizability of findings.

To mitigate the adverse effects of online negativity, the study highlights the need for improved digital literacy programs and platform features that empower users, especially younger ones, to manage their online environments effectively.

Conclusion

This research provides experimental evidence of the adverse impacts of negative online comments on adult mental health. The findings emphasize the importance of targeted strategies to address online negativity and promote mental well-being in digital spaces. By understanding these dynamics, we can better equip individuals to navigate the challenges of the digital age.

The study was pre-registered, and all materials are available on the Open Science Framework, enhancing the research’s credibility and transparency.