Geriatrics: geriatric medicine is a speciality that focuses on health care of elderly people. It aims to promote health by preventing and treating diseases and disabilities in older adults. Geriatrics differs from standard adult medicine because it focuses on the unique needs of the elderly person. The aged body is different physiologically from the younger adult body, and during old age, the decline of various organ systems becomes manifest. Previous health issues and lifestyle choices produce a different constellation of diseases and symptoms in different people.