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
[{'content': 'WHO definition of health does not include - \nSelect and explain. \nA. Physical health, B. Mental health, C. Environmental health, D. Social health', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 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."', 'role': 'assistant'}]