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Does schizoaffective disorder run in families?

Douglas E. Severance, MD
Family Medicine
Schizoaffective disorder does run in families, although experts don't know exactly how schizoaffective is passed down through a family. Schizoaffective disorder, like schizophrenia, is partly caused by genes. You may know that your height, eye, and hair color are often similar to your close family members. Likewise, if your parent or sibling has schizoaffective disorder, you are more likely than the average person to have the illness too. However, experts believe that there are other causes of schizoaffective disorder, including environmental causes. Some scientists think that an infant's exposure to viruses or substances in the womb, a child's abnormal brain development, or complications during birth might cause the illness as well.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.