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
Which among the following is implicated in causing Parkinson 
Select and explain. 
A. Carbon dioxide, B. Ethanol, C. Manganese, D. Zinc
C: Manganese
Answer: C: Manganese 
Explanation: Manganese, carbon monoxide, methanol, cyanide are known to cause Parkinson's