This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Symptoms & Signs , Subject name: Psychiatry
[{'content': 'Suicide is most common in - \nSelect and explain. \nA. Depression, B. Alcohol dependence, C. Dementia, D. Schizophrenia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Depression Causes/Risk factors for suicidePsychiatric disorders : - Depression (most common), alcoholism (2nd me), Drug/Substance dependence, Schizophrenia, Dementia.Physical illness : - Cancer, AIDS, Multiple sclerosis, Head trauma.Psychosocial factors : - Failure in love, marital difficulties, family dispute, illegitimate pregnancy.Biological factors : - Decrease in serotoninOther - Male sex, Age > 40 years, Single (Unmarried, divorced or widowed), previous suicide attempt, social isolation.", 'role': 'assistant'}]