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Interactions between physical activity and diet in the regulation of body weight

Published online by Cambridge University Press:  28 February 2007

Melanie S. Moore*
Affiliation:
MRC Human Nutrition Research, Downham's Lane, Cambridge, CB4 1XJ, UK
*
Corresponding author: Ms Melanie Moore, present address Children's Health and Exercise Research Centre, University of Exeter, St. Luke's Campus, Exeter EX1 2LU, UK, fax +44 (0)1392 264706, email melanie.moore@exeter.ac.uk
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Abstract

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The increasing worldwide prevalence of obesity suggests that there is a chronic positive energy balance. This situation implies poor coupling between energy intake and energy expenditure, but the contribution of each of these factors remains unclear. Epidemiological data suggests that physical activity has a role in the prevention of weight gain, although there is little evidence that it has a beneficial role in weight loss. High-fat diets have also been implicated, evidence from a variety of sources suggests that diets high in fat undermine appetite regulatory mechanisms. There has been much research to investigate the coupling between energy expenditure and energy intake in the short term in an attempt to elucidate some of the mechanisms involved. However, mechanisms regulating appetite are very complex, and it is currently unclear at which points physical activity and diet may have an influence.

Type
Postgraduate Symposium
Copyright
Copyright © The Nutrition Society 2000

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