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
[{'content': 'Which of the following is not a risk factor for the development of diabetes mellitus? \nSelect and explain. \nA. Sedentary life style, B. Protein energy malnutrition in infancy, C. Excessive intake of alcohol, D. High intake of vitamin A', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Common environmental risk factors for Diabetes: 1. Sedentary lifestyle2. Diet: High saturated fat intake 3. Malnutrition: Malnutrition (PEM) in early infancy and childhood may result in paial failure of beta cell function.4. Excessive alcohol intakeRef: Park; 23rd ed; Pg 394', 'role': 'assistant'}]