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Title: Aging and metabolism: Changes and regulation [Envejecimiento y metabolismo: Cambios y regulación]
Author: Ortiz, G.G.
Arias-Merino, E.D.
Velazquez-Brizuela, I.E.
Pacheco-Moises, F.P.
Flores-Alvarado, L.J.
Torres-Sanchez, E.D.
Cortes-Enriquez, F.
Gonzalez-Renovato, E.D.
Ortiz-Velazquez, I.G.
Issue Date: 2012
Abstract: Studies about the effects of aging in the physiology and metabolism are increasingly, one of its objectives is to help implement programs to improve the quality of life and prevent disability in elderly. It is relevant to mention that, during aging, there is a natural metabolic deceleration, a series of changes in the regulation of energy are produced, which contributes to loss of weight and fat; the changes in the regulation of caloric intake contribute to increase the susceptibility to energy imbalance both positive and negative, which is associated with a deterioration in health. However, to grow old, is not a death sentence for metabolism, on the other hand, it can be controlled by maintaining an active lifestyle, coupled with this, research has shown that the metabolism can be regulated by a synchronized clock (circadian rhythms), which is mediated by regulatory proteins, this relationship ensures the proper functioning of the cells and therefore good health. The aim of this review is to provide updated information on the energy-metabolism-regulation and its relationship with the great variety of components involved in energy expenditure that accompany aging, to analyze the regulation of this system to improve the quality of life and maintenance of health in old age.
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