This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of Control, Subject name: Social & Preventive Medicine
Best for prevention of risk factor: 
Select and explain. 
A. Primordial prevention, B. Primary prevention, C. Secondary prevention, D. Tertiary prevention
A: Primordial prevention
Answer: A: Primordial prevention 
Explanation: Ans. (a) Primordial preventionRef : K. Park 23rd ed. / 41, 21sted. 139-40* Primordial level of prevention is defined as prevention of emergence or development of risk factors in countries or population groups in which disease entity is not yet appeared, or population group which are not yet exposed.* Modes of intervention:# Individual education# Mass education* Primordial level is considered as best level of prevention for non-communicable diseases