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
The preferred public health approach to control non-communicable disease is - 
Select and explain. 
A. Shift the population based approach, B. Focus on high risk individuals for reduction of risk, C. Early diagnosis and treatment of identified cases, D. Individual disease based veical programmes
A: Shift the population based approach
Answer: A: Shift the population based approach 
Explanation: It is integrated approach .It differs from country to country and year to year . Because it may involve socioeconomic risk factors, metabolic, nutritional and lifestyle. So it may be shifted through population based data. Ref-Park&;s textbook of Preventive and Social Medicine 24th edition.