This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
All are inducations of lithium except: 
Select and explain. 
A. Neutropenia, B. Major Depression, C. Vasculogenic Headaches, D. Generalized anxiety disorder
D: Generalized anxiety disorder
Answer: D: Generalized anxiety disorder 
Explanation: Ref: KDT 8th ed. *Lithium is used to treat acute mania and bipolar disorder. *Lithium is also used as prophylaxis for depression and mania in bipolar disorder. *It is sometimes used for other psychiatric disorders such as cycloid psychosis and unipolar depression. *Non-psychiatric uses are limited. However, it is used in the prophylaxis of some headaches related to cluster headaches.