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Systematic review and meta-analysis show short-term increases in physical activity among adolescents in school settings, indicating potential for future strategies.
School-based interventions can modestly increase adolescents' physical activity in the short term, but their effects diminish over time. Sustaining behavioural change may require long-term, system-level strategies that involve schools, families, and communities. Overall, the certainty of evidence was low to moderate, and findings should be interpreted with caution due to high heterogeneity across studies.
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Moin et al. (2026) studied this question.
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