Gerontology: A Clinical ApproachAbout This Hardback Gerontology deals with the scientific study of old age, the process of ageing, and the particular problems of old people. It focuses on the biological, psychological, cognitive, cultural and social aspects of ageing. Some of its subfields are biogerontology, social gerontology, environmental gerontology and jurisprudential gerontology. Biogerontology is associated with the biological aging process and its evolutionary origins.