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Is delusional disorder hereditary?

ANSWER

The fact that delusional disorder is more common in people who have family members with delusional disorder or schizophrenia suggests that genetic factors may be involved. It is believed that, as with other mental disorders, a tendency to develop delusional disorder might be passed on from parents to their children.

SOURCES:

Intelihealth: "Delusional Disorder."

Disorders.org: "Delusional."

Medscape: "Delusional Disorder."

Diagnostic and Statistical Manual of Mental Disorders IV: "Delusional Disorder."

 

Reviewed by Joseph Goldberg on December 19, 2018

SOURCES:

Intelihealth: "Delusional Disorder."

Disorders.org: "Delusional."

Medscape: "Delusional Disorder."

Diagnostic and Statistical Manual of Mental Disorders IV: "Delusional Disorder."

 

Reviewed by Joseph Goldberg on December 19, 2018

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How does biology determine the development of delusional disorder?

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