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Flat affect (lack of emotional response), toneless voices, and expressionless faces are examples of negative symptoms associated with schizophrenia.

Schizophrenia is a serious mental disorder in which people have an abnormal interpretation of reality. Schizophrenia can cause hallucinations, delusions, and extremely disordered thinking and behavior that interferes with daily functioning and can be disabling. Schizophrenia patients must be treated for the rest of their lives.

Delusions (false beliefs), hallucinations (seeing or hearing things that don't exist), unusual physical behavior, and disorganized thinking and speech are common symptoms of schizophrenia. People suffering from schizophrenia are prone to having paranoid thoughts or hearing voices. The precise causes of schizophrenia remain unknown. According to research, a combination of physical, genetic, psychological, and environmental factors can increase a person's risk of developing the condition.

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