This report provides a comprehensive overview of health, illness, and well-being, examining these concepts through various models and perspectives. The report begins by introducing the core concepts of health, illness, and well-being. It then delves into the biomedical model, exploring its focus on physical processes and its implications from the perspectives of patients, society, and health professionals. The report subsequently analyzes the health belief model, detailing its psychological approach to understanding and predicting health-related behaviors, including the constructs of perceived susceptibility, severity, benefits, barriers, cues to action, and self-efficacy, again considering the perspectives of individuals, society, and health professionals. Finally, the report discusses Smith's model of health and illness, outlining the functionalist, conflict, and interactionist perspectives. The report concludes by emphasizing the importance of physical fitness and exercise for overall wellness. The analysis highlights the significance of considering multiple viewpoints and models in understanding the multifaceted nature of health, illness, and well-being. This report is a valuable resource for students seeking to understand the complexities of health and well-being, and is available on Desklib, a platform offering past papers and solved assignments.