Neurobiologists hypothesize that one reason people begin to show symptoms of schizophrenia during adolescence is that:
A. hormonal changes cause the ventricles in the brain to change size during puberty.
B. genetic mutations interact with hormonal changes when a person reaches puberty.
C. too many synapses are removed as the brain matures, especially around puberty.
D. too much dopamine is produced by the brain when a person reaches puberty.
Answer: C
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