This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of Health and Disease, Subject name: Social & Preventive Medicine
WHO definition of health does not include - 
Select and explain. 
A. Physical health, B. Mental health, C. Environmental health, D. Social health
C: Environmental health
Answer: C: Environmental health 
Explanation: Ans. is 'c' i.e., Environmental health * According to WHO, "Health is a state of complete physical, mental and social well being and not merely an absence of disease or infirmity. " In recent years, this statement has been amplified to include "the ability to lead a socially and economically productive life."