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
Most common cause of orthostatic hypotension - 
Select and explain. 
A. Peripheral neuropathy, B. Carcinoid Syndrome, C. Pheochromocytoma, D. Hypothyroidism
A: Peripheral neuropathy
Answer: A: Peripheral neuropathy 
Explanation: None