Geriatrics is a branch of medicine that focuses on healthcare of elderly people. This field of medicine is also known as gerontology. This book provides significant information of this discipline to help develop a good understanding of geriatrics and related fields. It aims to put forward the various sub-fields of this discipline so as to get a holistic understanding of geriatrics. It picks up individual branches and explains their need and contribution in the field of geriatrics. For all readers who are interested in the study of care of old people, this book will serve as excellent guide to develop a comprehensive knowledge in a lucid manner.