This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Psychiatry
[{'content': 'Double depression is \nSelect and explain. \nA. Depression with 2 episodes, B. Depression with Dysthymia, C. Depression for 2 weeks/2years, D. Dysthymia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Depression with Dysthymia > An episode of major depression may become superimposed on an underlying neurotic depression. This is known as double depression.> Neurotic depression has been renamed as dysthymia or dysthymic disorder in DSM-IV-TR and ICD-10.> This category does not requi presence of stress as a precipitating factor, & does not put emphasis on the presence of other neurotic symptoms or traits.> Dysthymia is defined as any mild depression which is not severe enough to be called a depressive episode, and lasts for two years or more. This is more common in females, with an average age of on in late third decade.', 'role': 'assistant'}]