Home » Which agency defined health as “a complete state of physical, mental and social well being and not merely the absence of illness or disease”? Health MCQs Which agency defined health as “a complete state of physical, mental and social well being and not merely the absence of illness or disease”? February 18, 2022 39 Views Q. Which agency defined health as “a complete state of physical, mental and social well being and not merely the absence of illness or disease”? A. UNICEF B. WHO C. WTO D. ADB Answer: WHO