Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Geriatrics or geriatric medicine is a sub-specialty of internal medicine and family medicine that focuses on health care of elderly people. It aims to promote health by preventing and treating diseases and disabilities in older adults. There is no set age at which patients may be under the care of a geriatrician or geriatric physician, a physician who specializes in the care of elderly people. Rather, this decision is determined by the individual patient's needs, and the availability of a specialist. Learn more about geriatrics, and its many subspecialities in the following pages.