Antiaging action of caloric restriction: endocrine and metabolic aspects - PubMed (original) (raw)

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Antiaging action of caloric restriction: endocrine and metabolic aspects

E J Masoro. Obes Res. 1995 Sep.

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Abstract

Restricting the energy intake of mice and rats slows the rate of actuarial aging, delays or prevents most age-associated disease processes, and maintains physiological processes in a youthful state at advanced ages. This manipulation is effective when initiated in young animals or in adult life. Although body fat is decreased by this reduction in energy intake, the reduction in body fat is not causally related to the antiaging action. Nor does this reduction in energy intake slow the aging processes by decreasing the metabolic rate, but it may do so by altering the characteristics of fuel use. Another possible mechanism underlying the antiaging action is the general protection restriction of energy intake provides against harmful agents, an action which may be the result of an alteration in adrenal glucocorticoid physiology.

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