Means to an End

The biological basis of aging and death

Autor: William R. Clark

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Editura: Oxford University Press Inc

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Why do we age? Is aging inevitable? Will advances in medical knowledge allow us to extend the human...

Informații despre carte

Autor

William R. Clark

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2002

Pagini

250

EAN

9780195153750

ISBN

0195153758

Enbook ID

04515648

Editura

Oxford University Press Inc

Greutate

384

Dimensiuni

228 x 154 x 22

Descriere completă

Why do we age? Is aging inevitable? Will advances in medical knowledge allow us to extend the human lifespan beyond its present limits? Because growing old has long been the one irreducible reality of human existence, these intriguing questions arise more often in the context of science fiction than science fact. But recent discoveries in the fields of cell biology and molecular genetics are seriously challenging the assumption that human lifespans are beyond our control. With such discoveries in mind, noted cell biologist William R. Clark clearly and skillfully describes how senescence begins at the level of individual cells and how cellular replication may be bound up with aging of the entire organism. He explores the evolutionary origin and function of aging, the cellular connections between aging and cancer, the parallels between cellular senescence and Alzheimer's disease, and the insights gained through studying human genetic disorders-such as Werner's syndrome-that mimic the symptoms of aging. Clark also explains how reduction in caloric intake may actually help increase lifespan, and how the destructive effects of oxidative elements in the body may be limited by the consumption of antioxidants found in fruits and vegetables. In a final chapter, Clark considers the social and economic aspects of living longer, the implications of gene therapy on senescence, and what we might learn about aging from experiments in cloning. This is a highly readable, provocative account of some of the most far-reaching and controversial questions we are likely to ask in the next century.

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Means to an End

The biological basis of aging and death

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