The Foundation of Public Health

1. Defining Public Health:
Public health is a multidisciplinary field that focuses on promoting and protecting the health of communities and populations through preventive measures, health education, policy development, and research.

2. Core Functions of Public Health:
Public health encompasses three core functions: assessment, policy development, and assurance. Assessment involves collecting and analyzing data to identify health trends and needs. Policy development entails creating and implementing strategies to address public health issues. Assurance involves ensuring that essential health services are available and accessible to all.

3. Population Perspective:
Unlike clinical medicine, which focuses on individual patients, public health takes a population-based approach, aiming to improve the health of entire communities or populations. This perspective emphasizes prevention, early intervention, and addressing social determinants of health.

Areas of Expertise in Public Health

1. Epidemiology:
Epidemiology is the study of the distribution and determinants of disease in populations. …

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