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
Schizophrenia mostly occurs in - 
Select and explain. 
A. Adolescents, B. Children, C. Middle age, D. Old age
A: Adolescents
Answer: A: Adolescents 
Explanation: Schizophrenia starts in late adolescence and early adulthood (15-20 years).