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
The technique of Psychological autopsy is useful in studying the causation of 
Select and explain. 
A. Schizophrenia, B. Personality disorders, C. Drug dependence, D. Suicide
D: Suicide
Answer: D: Suicide 
Explanation: Etiology: Some of the common causes of suicide are: Psychiatric Disorders are a major cause of suicide. Some common causes are: Depression: Major depression Depression secondary to serious physical illness. Reactive depression, secondary to life stressors, e.g. family and/or marital disputes, failure in goal achievement, occupational and financial difficulties, and death of significant others. Alcoholism and drug dependence Schizophrenia Genetic factors (a concordance rate of 18% in monozygotic twins) and biochemical factors (low levels of 5-HIAA) are impoant in some case of suicide.