What Is Public Health? | Meaning, Components and Benefits | UPSC | Drishti IAS

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Mr. Yaswant Singh, Expert Faculty at Drishti IAS, explains the concept of Public Health in a clear, structured, and exam-oriented manner. The discussion highlights that public health is not limited to the treatment of diseases but focuses on ensuring universal access to healthcare services, creating a clean and healthy environment, strengthening immunity through nutrition, and promoting a healthy lifestyle. The session explains the two core components of public health—Illness, which includes disease treatment through medical infrastructure, availability of doctors, hospitals, medicines, and research, and Wellness, which focuses on preventive care such as vaccination, nutritious food, basic sanitation, safe drinking water, and lifestyle discipline. The video further links strong public health systems with broader outcomes such as economic growth, human resource development, higher productivity, social justice, women and social empowerment, increased life expectancy, and improvements in the Human Development Index (HDI). This topic is highly relevant for UPSC and State PCS examinations, particularly for GS Paper II, GS Paper III, and Essay writing.
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