The process and theories of aging.

Abstract excerpt

A wide variety of theories to explain the aging process have been proposed including: (1) stochastic (somatic mutation, error catastrophe, protein glycosylation); (2) developmental (immune and neuroendocrine); (3) programmed (genome-based); and (4) free radical. Although no single hypothesis fully explains all aging phenomena, the genome-based and free radical theories, in particular, are supported by significant...

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