This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
Carpel tunnel syndrome is caused by all except 
Select and explain. 
A. Rheumatoid ahritis, B. Hypothyroidism, C. Addisson's disease, D. Diabetes mellitus
C: Addisson's disease
Answer: C: Addisson's disease 
Explanation: Ref - Researchgate.net