According to some formal definitions of aging: Oxford defines general aging as the process of change in the properties of a material occurring over a period, either spontaneously or through deliberate action. Biological aging is simply defined in oxford dictionary as the process of being old. The term "aging" refers to the biological process of growing older in a deleterious sense, what some authors call "senescence" (Williams, 1957; Comfort, 1964; Finch, 1990). Aging is defined as the process of becoming…
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