Genetic deletions may help explain differences in schizophrenia severity
Schizophrenia affects approximately 23 million people worldwide, with onset usually occurring during a person's late adolescence or 20s. Impairments associated with schizophrenia include hallucinations, delusions, and disorganized thinking and behavior.

<p>Schizophrenia affects approximately 23 million people worldwide, with onset usually occurring during a person's late adolescence or 20s. Impairments associated with schizophrenia include hallucinations, delusions, and disorganized thinking and behavior.</p>