HLTC22H3 Chapter 1: CHAPTER 1.docx

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15 Dec 2012
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Also identify factors that promote + gaining or increase risk of aging. Ie. free radicals can accelerate deterioration but antioxidants may decelerate it. Chapter 1: introduction and basic concepts in aging. Psychosocial gerontologists focused more on describing what happens cognitively, emotionally and socially as we age. Biogerontologists focused on describing what happens at molecular, cellular, and organ system levels emphasize factos that affect rate of aging. Focus has been on psychosocial risk factors, but there are protective factors as well. Long-term longitudinal studies allow us to begin understanding predictors of rate of change in physical health, cognitive ability and mental health in late life. Nations around world are graying; baby boom generation is retiring and starting to collect pensions and health care benefits. Growing interest in how various aging processes respond to behavioural and environmental factors that are at least partially under our control.

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