Akash Kumar*
Public health focuses on the health and well-being of populations, aiming to prevent disease, prolong life, and promote health through organized societal efforts. This research article explores the historical foundations of public health, its key functions, and the challenges it faces in modern times. Topics discussed include epidemiology, disease prevention, health promotion, and the impact of social determinants of health. Furthermore, the article addresses contemporary global challenges such as pandemics, climate change, and health inequities, along with strategies to enhance the role of public health in addressing these issues. The conclusion underscores the importance of a multidisciplinary and collaborative approach to ensure a healthier future for all.
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