An appetite for death.

Abstract:

:A diverse array of organisms live longer under dietary restriction. Here, a hypothesis is proposed as a framework for interpreting this phenomenon. Dietary restriction is explained in terms of evolution and antagonistic pleiotropy. Focusing on the decline in reproductive capacity seen in dietary restriction, it is submitted that "normal" appetite is geared toward producing a neuroendocrine and metabolic internal milieu optimized for reproduction, with long-term detrimental effects on health as a by-product. In dietary restriction experiments, the animal is prevented from eating enough to attain this internal milieu and, as a by-product, lives longer.

journal_name

Ann N Y Acad Sci

authors

Koochmeshgi J

doi

10.1196/annals.1297.078

subject

Has Abstract

pub_date

2004-06-01 00:00:00

pages

434-5

eissn

0077-8923

issn

1749-6632

pii

1019/1/434

journal_volume

1019

pub_type

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