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Open Access research with a real impact on health...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Physical activity and obesity in childhood and adolescence

Reilly, John J (2005) Physical activity and obesity in childhood and adolescence. Lancet, 366 (9482). pp. 268-269. ISSN 0140-6736

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Abstract

Obesity can only be caused by increased energy intake, reduced energy expenditure, or both. It seems obvious that reduced energy expended on physical activity must have fuelled the global epidemic of paediatric obesity. However, the origin of obesity is more complex than it seems,1 and systematic reviews have failed to establish that low physical activity causes obesity.2,3 In today's Lancet, Sue Kimm and co-workers4 report that changes in physical activity in late childhood and adolescence are related to changes in measures of body fatness in US girls followed up for 9–10 years.