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
Which one of the following modes of intervention covers the process of advising a patient to change his lifestyle in order to prevent any risk factor for a disease ? 
Select and explain. 
A. Health promotion, B. Specific protection, C. Disability limitation, D. Rehabilitation
A: Health promotion
Answer: A: Health promotion 
Explanation: Ans. is 'a' i.e., Health promotion