Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Gerontology is the study of the social, psychological and biological aspects of aging. It is distinguished from geriatrics, which is the branch of medicine that studies the diseases of older adults. Gerontologists include researchers and practitioners in the fields of biology, medicine, nursing, dentistry, social work, physical and occupational therapy, psychology, psychiatry, sociology, economics, political science, architecture, pharmacy, public health, housing and anthropology. Learn more about gerontology and its many subspecialities in this book.