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
Primordial prevention is the - 
Select and explain. 
A. Prevention of diseases among the hill-dwelling and tribal people, B. Prolongation of human life span to the maximum extent, C. Promotion of health, well being and efficiency, D. Prevention of diseases through modification of their risk factors
D: Prevention of diseases through modification of their risk factors
Answer: D: Prevention of diseases through modification of their risk factors 
Explanation: Ans. is 'd' i.e., Prevention of diseases through modification of their risk factors It is the prevention of the emergence or development of risk factors in countries or population groups in which they have not yet appeared