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': 'Primordial prevention is \nSelect and explain. \nA. 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', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Primordial Prevalence: It is the prevention of emergence or development of risk factors in countries or population groups in which they have not yet appeared. Eg :. Obesity , Hypeension', 'role': 'assistant'}]