Public Health — Syllabus
Telangana Open School (TOSS) · Class 12 · Community Science (Home Science)
What Public Health covers in Telangana Open School (TOSS) Class 12 Community Science: 4 topics, for the 2026-27 session.
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Topics in Public Health
Definition and Scope of Public Health
- Public health is the science and art of preventing diseases, prolonging life, and promoting health through organized community efforts.
- It focuses on the health of the entire population, not just individuals.
- It includes preventing diseases, promoting healthy behaviors, and protecting people from health hazards.
Levels of Disease Prevention
- There are three levels of disease prevention: Primary, Secondary, and Tertiary.
- Primary prevention stops disease before it occurs through immunization, health education, and healthy lifestyle promotion.
- Secondary prevention involves early detection and treatment to stop disease progression, like regular health check-ups.
Major Disciplines in Public Health
- Nutrition: Study of food and nutrients for health and disease prevention.
- Reproductive Health: Complete physical, mental, and social well-being related to the reproductive system.
- Environmental Health: Protects people from harmful exposures like unsafe water, poor sanitation, and pollution.
Communicable Diseases
- Spread from person to person through pathogens like bacteria and viruses.
- Transmission can be direct (coughing, sneezing, blood contact) or indirect (contaminated objects, vectors).
- Droplet infection: Spread through air when infected person coughs or sneezes (e.g., TB, flu).
Key Concepts
Central concept: Public Health
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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