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Public health refers to the science and art of preventing disease, prolonging life, and promoting health through organized efforts of society. It involves a wide range of activities, including disease prevention, health promotion, health education, environmental health, epidemiology, and emergency preparedness and response.
Public health professionals work to protect and improve the health of individuals, communities, and populations. They focus on preventing diseases and injuries, promoting healthy lifestyles, and improving access to healthcare. Public health professionals also study the causes of diseases and injuries, identify patterns and trends, and develop strategies to prevent them from occurring.
Examples of public health interventions include vaccination programs, water and air quality monitoring, food safety regulations, tobacco control policies, and public education campaigns about healthy behaviors. Public health is a critical field that plays a vital role in promoting and protecting the health of individuals and communities.