Spanning the biological and psychosocial aspects of aging, this upper-level undergraduate and graduate text integrates current findings in biology, psychology, and the social sciences to provide comprehensive, multidisciplinary coverage of the aging process. From a physical perspective, it examines age-related changes and disease-related processes, the demography of the aging population, theories of aging, and the how to promote optimal aging. Coverage of the psychosocial aspects encompasses mental health, stress and coping, spirituality, and care-giving in later years.