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THE RESULTS OF AGINGPrepared forMs FergusonbyMark TrolleyAbstractThis report presents several aspects of aging The report looks at a number of theories ofwhy weage the physical and mental changes we undergo as we age and several ways of caring fortheelderlyTABLE OF CONTENTSLIST OFILLUSTRATIONSiiiINTRODUCTION1THEORIES OF WHY WEAGE2Genetics2Cellular2Physiological2PHYSICALCHANGES2MENTALCHANGES5AlzheimersDisease5SenileDementia5CARING FOR THEOLD6RetirementCommunities6Life-careFacilities6HouseSharing6GroupHomes7Low-cost Government SubsidizedHousing7FosterCare7NursingHomes7CONCLUSIONS9WORKSCITED10LIST OF ILLUSTRATIONSTables1 The results ofaging4INTRODUCTIONThe purpose of this report is to discuss several aspects of agingSeveral theories of why we age based on genetic research cellular research andphysiological research will be examined along with physical and mental changes that arethe resultof aging Specific mental changes that will be explored are Alzheimers Disease and SenileDementia The final aspect to be looked at will be the care of the elderly in retirementcommunities life-care facilities house sharing group homes low-cost governmentsubsidizedhousing foster care and nursing homesTHEORIES OF WHY WE AGESince research into aging is not guided by any one universally accepted theory geneticcellular and physiological studies have yielded several hypothesesGeneticsThe most popular genetic theory the Error Theory assumes that aging is the result of theaccumulation of random genetic damage or from small errors in the flow of geneticinformation The damage or errors would reduce or prevent proper cell functionCellularThe best known theory of aging in cellular research is called the Hayflick Effect whichisnamed after the American microbiologist Leonard Hayflick He found that certain humancellscould only divide a limited number of times before they die This may suggest that agingisprogrammed into cells This could also account for the differences in the lifespans of differentanimal species and the differences in the life spans between the sexes within the samespeciesPhysiologicalThese theories focus on organ systems and their interrelationships One area currentlybeing investigated is the immune system As we age the immune system gradually loses itscapacity to fight off infections and other invaders As a result antibodies are producedthatcannot tell the difference between friendly cells and enemy cellsMost experts now believethat aging represents many phenomena working together Miller and Keane 97PHYSICAL CHANGESThe physical
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