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Social media is neither clearly more harmful nor more helpful overall—its net impact is mixed, modest in size for most people, highly context-dependent, and varies by how it is used, by whom, and in what setting. Meta-analyses and large reviews consistently find small associations (often explaining <1–4% of variance in outcomes), with both risks and benefits. Effects are not uniform, reverse causa

Social media is neither clearly more harmful nor more helpful overall—it is a double-edged tool whose net effects depend heavily on how it is used, by whom, the content encountered, individual vulnerabilities, age, and context. Evidence from meta-analyses, longitudinal studies, RCTs, and surveys shows small average associations in both directions, with clearer risks for adolescents (especially hea