Introducton to Gerontology. Gerontology: An Introduction. Demography. Older Persons in the Past and in Preliterate Societies. Research and Theory in Gerontology. Physical, Health, and Psychological Aspects. Biology and Physiology. Physical Health. Sexuality. Psychological Aspects. Societal Aspects. Family and Friends. Religion and Education. Economics. Politics and Social Policy. Issues in Gerontology. Work, Retirement, and Leisure. Home and community. Nursing Homes. Minorities. Dying and Death.