8/22/2023 0 Comments Optimism book extending life span![]() ![]() Each of these areas may deserve study, and some of them may eventually provide insights into real aging, but to avoid confusion, I shall discuss only the kind of aging that turns whole young bodies into old ones. ![]() This definition, which seems fairly innocuous, is careful enough to be controversial, because there are many interesting areas of investigation-studies of childhood development specific late-life diseases death or proliferative ennui of cells in culture leaf abscission and time-dependent changes in the chemical composition of wines, cheeses, and bones-that are sometimes proposed in various combinations as worthy of gerontological attention and governmental funding. This article explores three related issues: first, why discussions of antiaging medicines are no longer silly next, why the development of antiaging strategies is making so little headway and last, whether further work in this area would be worthwhile.īy “aging” I mean a process that converts healthy young adults into less healthy older ones with an increasing risk of illness and death. Though still largely unappreciated by the lay and scientific public alike, these discoveries belie the common assumption that human aging probably cannot be slowed and prompt the question of whether we can use our growing knowledge about aging to produce 90-year-old adults who are as healthy and active as today' 50-year-olds. In the last two decades, biogerontologists have found that the pace of aging can be decelerated in mammals by dietary or genetic means. ![]()
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