This assignment explores the multifaceted aspects of health policy, power dynamics, and political influences within healthcare provision. It begins by defining the policy cycle and its stages, contrasting different models, and highlighting its significance in guiding effective policy-making. The document then distinguishes between government policies and health policies, providing examples of each, particularly within the Australian context. A key section delves into the evolution of public health, contrasting the old and new approaches and their distinct focuses. The assignment also examines the social determinants of health, exploring factors like social gradient, stress, early life, and social exclusion, and their impact on individual and community health, with specific examples. Finally, it analyzes the concept of power through Lukes' three dimensions – decision-making, non-decision-making, and ideological power – and its crucial role in policy-making processes. The assignment draws upon relevant literature to support its arguments.