Why do we age?
Posted on Monday, March 15, 2004

Kirkwood TB, Austad SN.

Department of Gerontology, University of Newcastle, Institute for the Health of the Elderly, Newcastle General Hospital, UK.

The evolutionary theory of ageing explains why ageing occurs, giving valuable insight into the mechanisms underlying the complex cellular and molecular changes that contribute to senescence. Such understanding also helps to clarify how the genome shapes the ageing process, thereby aiding the study of the genetic factors that influence longevity and age-associated diseases.

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