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: Medicine
Hyper triglyceridemia is not caused by- 
Select and explain. 
A. Diabetes Mellitus, B. Obesity, C. Alcohol, D. Cigarette smoking
D: Cigarette smoking
Answer: D: Cigarette smoking 
Explanation: None