This book examines what causes aging. It describes the influence of aging on the structure and function of each body part, and it explains what impacts the elderly, including health care, diet, exercise, infections, cancer, pills, addictions, sleep, and money. The book advises how to stay healthy at home, how to select a nursing home, and, finally, how to cope with declining health, dying, and death. It is comprehensive yet concise and presents a clear understanding of aging with new information useful for everyone interested in the care of older people.