Assertion (A): Epidemiological transition theory holds that as countries develop, the primary cause of mortality shifts from infectious diseases to chronic non-communicable diseases. Reason (R): Improvements in nutrition, sanitation, and medical care reduce infectious diseases, and longer life expectancy exposes populations to degenerative diseases. Choose the correct option:

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Demography · Epidemiological Transition

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Both A and R are true, and R is the correct explanation of A

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