Aging, Death, & End of Life Issues. Allport’s Characteristics of a Healthy Adult Extension of sense…

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Theories of Aging Cellular Clock Theory (Hayflick limit) –Cells have an absolute limit on the number of times they can divide. As they stop aging increases. Free Radical Theory –Chemicals produced by cell division and by the environment (pollution, smoking, etc.) cause cell damage and aging Hormonal Stress Theory –Aging of bodies hormonal system can lower resilience to stress and cause aging