This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood disorders, Subject name: Psychiatry
Most common cause of suicide is 
Select and explain. 
A. Schizophrenia, B. Depression, C. Cyclothymia, D. Mania
B: Depression
Answer: B: Depression 
Explanation: Depression is the most common cause of suicide Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 604-607