School-based health-promoting interventions show promising results in improving various health outcomes of adolescents.

Smoking, being bullied, compulsive, and excessive internet use and low physical activity were directly associated with lower school grades. 

Busch, V. Et all (2017) Health Promotion International, Volume 32, Issue 2, 1 April 2017, Pages 280–291, Retrieved 10 december 2018, from

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