Final answer:
Schizophrenia is a brain disorder that affects a person's ability to think clearly and understand reality.
Step-by-step explanation:
Schizophrenia is the brain disorder that affects a person's ability to think clearly and understand reality. It is a chronic mental disorder that causes a range of symptoms such as hallucinations, delusions, disorganized thinking, and impaired social interactions. These symptoms can significantly impact a person's daily life and functioning.
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