Anonymous. (2026). The empirical association between adolescent social media use and mental health outcomes is small and methodologically fragile; the evidence does not warrant attributing the post-2012 youth mental health decline principally to smartphones, and the popular synthesis on this question has run ahead of its data. Isonomia. https://www.isonomia.app/a/o4aCB3Rd@65368100bd4731f093e4c063bb5db91673b5fe49cccb16d3db02dcf689f87917