The study focused on diagnosis, treatment, and prevention of mental disorders is known as psychiatry. As a field of medical science, it includes studying the problems occurring due to mood, perception, behavior, and cognition changes or mood swings. The treatment of such diseases includes psychotherapy and psychiatric medication. This book consists of contributions made by international experts. It includes some of the vital pieces of work being conducted across the world, on various topics related to psychiatry. This book is a valuable compilation of topics, ranging from the basic to the most complex advancements in the field. It will serve as a reference to a broad spectrum of readers.