This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'True about "Major depression" include the following except- \nSelect and explain. \nA. Two times more common in men than women, B. Incidence increases with increasing age, C. In females affected age is adulthood, D. Is genetic origin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Depression is more common in middle-aged adult women (25-40 years).\nIncidence of depression increases with age.\nGenetic factors are important with concordance rate for monozygotic twins is 46% and for dizygotic twins is 20%.', 'role': 'assistant'}]