For the first time in the German-speaking world, this book presents all scientifically grounded explanatory models and treatment methods for depression in a clear and understandable way for laypeople. What explanations for depression exist today? What options for treatment and self-help arise from this for those affected, including when searching for a suitable therapist? Individuals affected, their relatives, or friends will find all the important information about the common illness of depression in this comprehensive and highly relevant guide: causes, forms of manifestation, self-help tips, and clear assistance in finding psychotherapists, doctors, and other professional support services. The two authors are outstanding scientists and experts with many years of clinical practice.