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ISSN 0188-9796 (Print)

2005, Number 4

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Rev Endocrinol Nutr 2005; 13 (4)

Determinants of the overweight: Biology, psychology and environment

Laguna CA

Language: Spanish
References: 60
Page: 197-202
PDF size: 86.86 Kb.


ABSTRACT

Determination of body weight is an issue of scientific debate; the relative stability of body weight for long periods of time is suggestive of a control that regulates it tightly. Set Point theory refers that body weight is biologically settled by a homeostatic system which modules feeding and energy expenditure in order to maintain it at a determined level. In the contrary, the current obesity epidemic is mainly associated with environmental changes. Different obesigenic environmental agents ease a positive energy balance inductive of weight gain; the lack of biological compensation in the host to correct this energetic error is the main argument to modify the conception that biology strictly determines food intake. The alternative theory Settling Zone Point states a non-biological regulation of feeding, where the environment regulates eating behaviors that settle body weight in a zone biologically determined. The impact of this theory lies on that changing environment rather than biology is maybe a better strategy to combat obesity.


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