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What can cause schizoaffective disorder?

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Scientists don’t know the exact cause of schizoaffective disorder. Things that may be involved include:

  • Genetics: Someone may inherit a tendency to develop schizoaffective disorder from his or her parents.
  • Brain structure and function: People with schizophrenia and mood disorders may have problems with brain circuits that manage mood and thinking.
  • Environment: Environmental things -- such as a viral infection, bad relationships, or highly stressful situations -- may trigger schizoaffective disorder in people who are at risk for it. How that happens isn’t clear.

SOURCES:

National Alliance on Mental Illness: "Schizoaffective Disorder."

PubMed Health: "Schizoaffective Disorder."

Mayo Clinic: "Schizoaffective Disorder."

Reviewed by Jennifer Casarella on September 4, 2019

SOURCES:

National Alliance on Mental Illness: "Schizoaffective Disorder."

PubMed Health: "Schizoaffective Disorder."

Mayo Clinic: "Schizoaffective Disorder."

Reviewed by Jennifer Casarella on September 4, 2019

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When does schizoaffective disorder happen?

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