This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'Multifactorial causation of disease theory was proposed by \nSelect and explain. \nA. Louis Pasteur, B. Pettenkofer, C. Robe Koch, D. Aristotle', 'role': 'user'}, {'content': "Answer: B \nExplanation: Traits and conditions that are caused by more than one gene occurring together are multifactorial, and diseases that are caused by more than one factor interacting (for example, heredity and diet in diabetes) are multifactorial. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 40", 'role': 'assistant'}]