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Public health is a fascinating subject! It's the science and art of preventing disease, prolonging life, and promoting health through the organized efforts of society. Public health focuses on improving the health of a population and preventing health problems before they happen. It is a broad field and covers a range of topics such as air pollution, epidemiology, communicable disease control, risk assessment and health promotion. The aim of this channel is to provide an introduction to the principles and concepts of public health. This channel has been developed by Ranil Appuhamy and Anitha Appuhamy and we hope you enjoy these videos!!