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Sep 30, 2026

Smartphone ownership at age 12 linked to eating disorder symptoms, study finds

A longitudinal study found that adolescents who owned smartphones at age 12 were more likely to report eating disorder symptoms at that age and two years later compared to those without smartphones. The research highlights risks of early smartphone ownership during adolescence.

Sep 30, 2026·5 sources
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Top claims

  • ▪Observational studies are sufficient to justify public health warnings about smartphones
  • ▪Nighttime smartphone use can disrupt sleep, which is linked to altered appetite regulation and heightened emotional reactivity in adolescents.
  • ▪Government regulation of adolescent social media access is justified by mental health risks

Subtopics

Digital wellness & digital detox1Eating disorders & disordered eating1

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