Within "Mental Diseases and their Modern Treatment," the lectures encompass diverse facets of mental well-being. Lecture I delves into the intricacies of the human brain, including its structures, functions, and capabilities. Lecture II scrutinizes abnormal inclinations, causes, and therapeutic approaches. Lecture III tackles sleep patterns, the causes of insomnia, and potential remedies. Lecture IV delves into the historical context, classification, theories, and criteria for commitment in cases of insanity. Lecture V focuses on melancholia, elucidating its definition, causative factors, and preventative measures. Lecture VI delves into mania, exploring its characteristics, etiology, and treatment modalities. Lecture VIII examines general paresis, encompassing its stages, etiology, diagnostic procedures, and therapeutic interventions. Lectures IX and X delineate various treatment modalities, encompassing both medical and non-medical approaches. Additionally, Hospital Construction outlines the architectural design and infrastructure of mental health facilities, while the Compendium of Materia Medica provides insights into remedies for mental disorders.