This psychology report delves into the multifaceted nature of depression, a prevalent mental health disorder. It begins with a clinical description, referencing the DSM-V criteria for diagnosis, and explores the historical evolution of its diagnosis and treatment, including the impact of societal attitudes. The report then investigates the biological, psychological, and social influences contributing to depression, providing a comprehensive understanding of its causes. It further examines diagnosis, treatment modalities, and prognosis, offering insights into managing the disorder. Finally, the report highlights community solutions and resources available to individuals affected by depression. The report utilizes a minimum of ten references, including a film, to support its analysis, offering a well-rounded perspective on depression.