Energy Expenditure in Children: The Role of NEAT

Date: 
01-01-2010

By the law of conservation of energy, body fat increases when energy intake is consistently greater than energy expenditure. Excess body fat and obesity are the result of sustained positive energy balance (1). The pandemic of obesity has spread from the United States to Europe and is now emerging in middle- and even low-income countries (2). In the United States, for example, since the 1970s the weight of the average person has increased by ~12 kg; importantly this trend affects all ages, races, and socio-economic groups (3).

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Authors: 
Lorraine Lanningham-Foster, James A. Levine