This essay provides a comprehensive analysis of healthcare policy, focusing on the interplay between power dynamics and political influences within the healthcare system. It explores the policy cycle, highlighting its significance in identifying and achieving healthcare objectives. The essay also examines the legal contexts of healthcare policies, differentiating between health policies and government policy documents. Furthermore, it discusses the evolution of healthcare approaches, contrasting the 'new public health' approach with previous methods, particularly in the context of Australia's Medicare system. The analysis extends to the social determinants of health, emphasizing the impact of sociological issues on individual well-being. Finally, the essay delves into the relevance of 'power' in policy development and change, examining how power dynamics influence decision-making and thought control within healthcare settings. The essay concludes by underscoring the vital role of power and politics in shaping healthcare systems and their impact on individual health outcomes.