Anonymous. (2026). Multiple longitudinal and cross-sectional studies report a dose-response gradient in which adolescent girls who use social media heavily report higher rates of depressive symptoms, anxiety, and lower well-being than light users, with the gradient steepening above roughly two to three hours of daily use. Isonomia. https://www.isonomia.app/a/SOdCwiBZ@31a447fca438f5f84e6fd03bfbd5259efbbb5a70bb314f88ad02d0d1ce20ffb6