This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
Risk modification is CAD is? 
Select and explain. 
A. Primordial prevetion, B. Primary prevetion, C. Secondary prevetion, D. Teiary prevetion
A: Primordial prevetion
Answer: A: Primordial prevetion 
Explanation: park's text book of preventive and social medicine 23rd edition . dega noval approach to primary preventiom of CHD is primodial prevention . degit prevents the emergence and spread of CHD risk factors and life styles that have not yet appeared or become endemic .