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Personality disorders are long-term(chronic) patterns of behavior that cause lasting problems with work and relationships.The cause of paranoid personality disorder is unknown. It appears to be more common in families with psychotic disorders such...
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No one knows what causes paranoid personality disorder, although there are hints that familial factors may influence the development of the disorder in some cases. There seem to be more cases of PPD in families that have one or more members who su...
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