This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Most impoant component of level of living is ? 
Select and explain. 
A. Health, B. Education, C. Occupation, D. Housing
A: Health
Answer: A: Health 
Explanation: Ans. is 'a' i.e., Health