This report provides a comprehensive overview of mental health, encompassing assessment, promotion, and case studies. It begins with an introduction to mental health, emphasizing its impact on individuals and society. The report then delves into the rationale for mental health promotion and well-being, highlighting the importance of holistic care and the role of healthcare professionals like Nurse Tim in diagnosing and treating mental illnesses within a hospital setting. It also discusses the need for comprehensive mental health assessments, including verbal and physical evaluations, to identify underlying conditions. The report presents a case study of a patient, Nicole, who is experiencing emotional instability and suicidal ideation, outlining the priority assessments that Nurse Tim should undertake. Furthermore, it explores the early detection of anxiety and depression, emphasizing the importance of patient engagement, evidence-based treatments, and collaboration with mental health specialists. The report concludes by underscoring the significance of mental health in the context of the economy.