This case study analyzes two scenarios related to public health, focusing on social determinants, health beliefs, and cultural factors impacting health outcomes. The first case involves an Aboriginal woman, Joanna, exploring the influence of education, social support, health policies, and institutional racism on her health choices and access to care. The second case examines the health challenges faced by a migrant family from Sudan in Australia, highlighting the impact of cultural differences, social determinants like employment and education, and institutional racism on their health. The analysis delves into health beliefs, safety measures, and policy implications, offering insights into culturally sensitive healthcare and the complexities of navigating diverse health systems. The study emphasizes the importance of understanding social and cultural contexts to improve public health interventions and address health disparities.