How and why We AgeHow and Why We Age defines the difference between biological and chronological age and then takes a look at how our understanding of aging has changed through history. With the immediacy of the latest scientific discoveries, Dr. Hayflick explains how aging affects every part of the human body. Dr. Hayflick notes that because aging involves virtually every cell in our bodies - a phenomenon which he has proved in his laboratory - a comprehensive study of aging must be truly wideranging. How and Why We Age explores not only how our major biological systems change as we grow older, but also examines the intangible alterations in our modes of thinking and feeling, our moods and sexual desires, our personality traits and our memories. |
Contents
Introduction | 1 |
Defining Aging | 11 |
Some Animals Age Some Do Not | 19 |
Copyright | |
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Common terms and phrases
ability activity age changes aging process American animals appear average become beginning believe biological birth blood body brain called cancer capacity causes of death cell culture cells century chapter claims clock consider continue countries culture decline determine developed discussed disease divide early effect errors evidence example exercise expectation experiments fact female fifty figure function genes genetic gerontologists greater grow growth heart hormones human hundred idea immune important increase individual known later less live longevity loss males maturation maximum means measure million mortality natural normal occur old age older organs percent period person population possible present produce proteins question reach reason recent reduced remaining reported result scientific seeds sexual sixty-five skin slow span species theory thirty thought thousand tion tissue United University vital weight women York young