Analysis reveals that sleep and physical activity affect depression in adolescents, suggesting priorities for treatment targets.
Adolescents with MDD exhibit unhealthy behaviours related to sleep, diet, physical activity, and screen time. Sleep showed the strongest association with depressive symptoms, both directly and indirectly via diet and screen time. Research examining potential causal mechanisms underlying these effects is needed to elucidate novel, accessible depression treatment targets.
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Campisi et al. (2025) studied this question.
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