This book addresses the basic and advanced knowledge on psychiatric disorders for non-clinicians. The volume compiles in-depth information on the psychopharmacogenetic, representing an important area of research that is based on various specialties including clinical psychiatry, pharmacology, neurobiology and genetics. The book also addresses questions related to the field of psychiatric disorders that are not usually addressed in one work. The questions considered include: What is schizophrenia? What are the risk factors? What are the core symptoms? How is it treated? What are the efficacy and side effects of the available treatments?