题目内容
Segen's Medical Dictionary (2012) has defined "Public Health" as: "As defined by The Faculty of Public Health Medicine (UK), public health is "The science and art of preventing disease, prolonging life and promoting health through organized efforts of society". Some public health messages have been delivered at national level such as Change4life and smoking cessation."
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Medical Dictionary for the Dental Professions (2012) has defined "Public Health" as: "Art and science of community health, concerned with statistics, epidemiology, hygiene, and prevention and eradication of epidemic diseases."
Saunders Comprehensive Veterinary Dictionary (3rd Edition, 2007) has defined "Public Health" as: "The field of human medicine that is concerned with safeguarding and improving the physical, mental and social well-being of the community as a whole. There are key roles for veterinarians in this service, especially in the area of zoonoses."
Public health authorities are concerned with the pollution levels in air and water, and must assure the safety of water used for drinking, for swimming, and as a source of sea food.
Public health incorporates the interdisciplinary approaches of epidemiology, biostatistics and health services. Environmental health, community health, behavioral health, health economics, public policy, mental health and occupational safety and health are other important subfields.
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