Public Health

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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 entire populations rather than indiv…

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1. Primary Prevention – prevents disease before it occurs (e.g., vaccination). 2. Secondary Prevention – early detection and treatment (e.g., screening). 3. Tertiary Prevention – rehabilitation after …

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Primary prevention stops diseases before they start. For example, vaccinating children against measles prevents outbreaks. Other methods include health education, clean water supply, and mosquito cont…

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Early diagnosis helps treat diseases before they worsen. For example, detecting high blood pressure early can prevent heart attacks. It reduces complications and stops the spread of infectious disease…

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Tertiary prevention includes managing complications like foot ulcers or vision loss. Providing special footwear, regular eye check-ups, and rehabilitation helps maintain quality of life for diabetic p…

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Rehabilitation restores a person’s physical, emotional, social, and vocational abilities after illness or injury. For example, providing wheelchairs and ramps helps paraplegic individuals live indepen…

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Keep infected children at home until all blisters have crusted over. Encourage vaccination, isolate the patient, and disinfect shared surfaces. Teachers who haven’t had chickenpox should avoid contact…

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The common cold spreads through direct contact, droplets from coughing or sneezing, and contaminated hands or objects like towels and utensils. Over 200 viruses can cause it.