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October 3, 2025Frontiers in Public HealthOpen Access

Physical activity and risk behaviors among adolescents: the mediating roles of diet, sleep, mental health, and substance use

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Authors

TFTian FengFLFengbo Liu

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Overview

Analysis identifies mental health and sleep duration as mediators improving outcomes related to suicide risk and substance use risk.

Key Points

  • Higher physical activity significantly predicts lower suicide risk and substance use risk among adolescents.
  • Mental health emerges as a crucial mediator between physical activity and both substance use risk and suicide risk.
  • Structural equation modeling indicated significant sequential pathways, including physical activity enhancing sleep duration and mental health.
  • Integrated intervention strategies should prioritize mental health and sleep quality to maximize physical activity's protective benefits.

Cite This Study

Feng et al. (2025) studied this question.

synapsesocial.com/papers/68e034f7f0e39f13e7fa3353https://doi.org/10.3389/fpubh.2025.1665023
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