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
[{'content': 'Tabacco/Smoking is considered as risk factor but not cause of cardiovascular disease because? \nSelect and explain. \nA. No temporal association, B. Long latent period, C. Multifactorial causation, D. Less sensitivity', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., Multifactorial causationMost non-communicable chronic disease (e.g., cardiovascular diseases) are the result of multiple causes and rarely there is a simple one-to-one cause-effect relationship.In the absence of a known agent (i.e.- in multiple causes), the term "risk factor (s)" is used to describe ceain factors which are involved in causation of the disease', 'role': 'assistant'}]