Public Health

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1. What is Public Health?
- Public health is the science of avoiding disease, extending life, and promoting physical health and efficiency through organized community efforts for the sanitation of the environment, the control of community infections, the education of the individuals in principles of personal hygiene, the organization of medical and nursing services for the elderly diagnosis and preventive treatment of disease and the development of social machinery which will ensure to every individual in the community a standard of living adequate for the maintenance of health.

2. The scope of public health
- Chronic disease, infectious diseases, mental health, nutritional, health of vulnerable individuals, environmental health, substance abuse, accidental injury, health care delivery

3. The core functions of public health?
- Assessment, policy development, and assurance. During assessment, environmental health problems and hazards are diagnosed and investigated. In policy development, people are informed, educated and empowered about environmental health issues. Also, policies and plans are developed to support individual and community environmental health efforts. Lastly, assurance is when laws and regulations are enforced to protect environmental health and ensure safety.

4. Public Health vs. Medical Health?
- While medicine is concerned with individual patients, public health regards the community as its patient, trying to improve the health of the population. Medicine focuses on healing patients who are ill. Public health focuses on preventing illness.

5. Sciences of public health?
- Epidemiology, statistics, biomedical sciences, environmental health science, social & behavioral sciences, health policy & management

6. Prevention & intervention?
- Define the health problem, identify the risk factors associated with the problem, develop & test community level interventions to control or prevent the cause of the problem, implement...
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