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the claim

Smartphone use worsens mental health in teenagers.

the verdict
INSUFFICIENT LEANING
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that smartphone use worsens mental health in teenagers?

Unclear. Several cross-sectional studies and one systematic review report associations between problematic smartphone use or device use and poorer mental health in adolescents, but the evidence is partial, correlational, and often limited to specific samples or indirect sleep-mediated pathways.

Verdict: PARTIAL LEAN · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
Smartphone
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Smartphone. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Smartphone

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More for · 6
Association between Smartphone Attachment and Mental Health in Adolescents
2025
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Liu, X., Huang, L., Mclntosh, C. M. W., Liu, J., & McDonald, C. C. (2025). Association between Smartphone Attachment and Mental Health in Adolescents. doi.org. https://doi.org/10.1111/jcap.70030

Social Overview of Smartphone Use by Teenagers
2022
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Ricoy, M., Martínez-Carrera, S., & Martínez-Carrera, I. (2022). Social Overview of Smartphone Use by Teenagers. doi.org. https://doi.org/10.3390/ijerph192215068

Problematic Smartphone Use and Mental Health Problems: A Network Analysis of Romanian Adolescents
2024
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Poetar, C., Dobrean, A., & Florean, I. S. (2024). Problematic Smartphone Use and Mental Health Problems: A Network Analysis of Romanian Adolescents. eric.ed.gov. https://doi.org/10.1177/0044118X231218295

Gender Differences in the Association of Smartphone Use with the Vitality and Mental Health of Adolescent Students
2018
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Shang-Yu, Y., Chung-Ying, L., Yueh-Chu, H., & Jer-Hao, C. (2018). Gender Differences in the Association of Smartphone Use with the Vitality and Mental Health of Adolescent Students. eric.ed.gov. https://doi.org/10.1080/07448481.2018.1454930

Demographic, social, psychological, mental health, and academic correlates of problematic smartphone use among French psychology students
2026
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Demographic, social, psychological, mental health, and academic correlates of problematic smartphone use among French psychology students. (2026). u-picardie.hal.science. https://doi.org/10.3389/fdgth.2026.1784927

Adolescents' interactive electronic device use, sleep and mental health: a systematic review of prospective studies.
2023
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Dibben, G. O., Martin, A., Shore, C. B., Johnstone, A., McMellon, C., Palmer, V., Pugmire, J., Riddell, J., Skivington, K., Wells, V., McDaid, L., & Simpson, S. A. (2023). Adolescents' interactive electronic device use, sleep and mental health: a systematic review of prospective studies.. doi.org. https://doi.org/10.1111/jsr.13899

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