This case study focuses on the management of diabetes and lifestyle improvements for a patient named Peter Mitchell. It discusses the role of community nurses in providing holistic care and implementing lifestyle changes. The study explores the use of the Clinical Reasoning Cycle (CRC) to address nursing priorities such as diabetes management and weight loss. It also highlights the importance of considering social and psychological factors in patient care. The case study provides insights into cue collection, information processing, problem identification, goal establishment, and action planning. It emphasizes the need for collaboration with multidisciplinary teams and regular monitoring and evaluation of treatment outcomes.