Introduction to Public Health

• Health is a dynamic balance of physical, emotional, social, spiritual, and intellectual health
• According to WHO, health is "a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity"
• Health is considered a basic and universal human right
• The State is responsible for protecting and promoting the right to health of the people and instilling health consciousness among them
• Public Health is defined as the science and art of preventing disease, prolonging life, and promoting health and efficiency through organized community effort
• Major concepts of Public Health include health promotion, disease prevention, and people's participation towards self-reliance
• Public Health involves organized community efforts and informed choices of society, private and public communities, and individuals for various health-related activities
• The Division of Public Health includes Epidemiology, Biostatistics, Health services/health policy and management/health administration, Environmental health, Social and behavioral health, and Occupational health
• The 10 Essential Public Health Services include assessment of needs, policy development, and assurance
• Three types of prevention in Public Health are Primary Prevention, Secondary Prevention, and Tertiary Prevention
• The 5 steps of the public health approach in addressing health problems in the community involve defining the health problem, identifying associated risk factors, developing and testing interventions, implementing interventions, and monitoring their effectiveness
• The history of Public Health in the Philippines spans different socio-political periods, from the Spanish-colonial period to post-EDSA revolution
• Primary Prevention 

  Preventing the development of a disease.

  Immunization, reducing exposure to a risk factor. 
• Secondary Prevention 

  Early detection of existing disease to reduce severity and complications.

  Screening for cancer.
• Tertiary Prevention 

  Reducing the impact of the disease. (Physical)

  Rehabilitation for stroke.