This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'Health education- \nSelect and explain. \nA. Is health promotion, B. Is health distoion, C. Is delivered through public health agencies only, D. Does not help in prevention of cancer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: WHO definition-&;&; the extension to all people of the benefits of medical psychological and related knowledge is essential to the fullest attainment of health &;&;. Health education is not only delivered through public agencies, but also NGOs ref; PARK 23RD edition, page 43', 'role': 'assistant'}]