Public Health
Public health is the science and practice of preventing illness, prolonging life, and promoting human health through organized efforts and informed choices of society, organizations, public and private, communities, and individuals. Public health focuses on improving and protecting the health of individuals, families, and communities. It is an organized approach to protecting and promoting the health of a population and is achieved through education, research, policy making, surveying, and monitoring of health trends, and prevention and treatment programs. Public health is important because it helps to protect and improve the health of entire populations and can identify and respond to health crises. Its activities range from promoting healthy lifestyles, to educating and protecting vulnerable populations from environmental and occupational hazards, to helping communities to cope and respond to public health threats, such as infectious diseases and natural disasters.
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