This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Major Depression, Subject name: Psychiatry
[{'content': 'Suicidal tendencies are least common with- \nSelect and explain. \nA. Alone, B. Depression, C. Male, D. Married person', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Married person o Single unmarried person is a risk factor, not married person.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'}]