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Biology
Health, Disease and Medicines
Health and Pathogens
Definition of Health
Definition of Health
What You Need to Know
Describe health as a state of complete physical, mental, and social well-being, not merely the absence of disease or infirmity (WHO definition).
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Practise with Past Papers
Key Terms & Definitions
Previous Section: Natural Selection and Genetic Modification
Benefits and Risks
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Communicable vs Non-Communicable
