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date: 12 December 2019

Abstract and Keywords

This chapter assesses the evidence from systematic reviews of school-based interventions to prevent obesity in children through changes in diet and physical activity behaviors. School-based interventions that focus on physical activity or a combination of diet and physical activity can prevent excessive weight gain in schoolchildren. Increased physical activity in primary-school children may help to improve body mass index. Combined diet and physical activity school-based interventions may help prevent children becoming overweight in the long term. School-based interventions may be effective in preventing a population increase in prevalence of obesity only as part of a government strategy that includes environmental change and is coupled with targeted interventions to reduce the prevalence of obesity caused at least in part by social inequalities. The recommendations for researchers carrying out primary interventions in obesity research are finally provided.

Keywords: obesity, children, diet, physical activity, school-based interventions, body mass index

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