Narcissistic personality disorder (NPD) is a form of pathological narcissism that first appeared as a disorder in the Diagnostic and Statistical Manual of Mental Disorders in 1980, in the edition known as DSM III-TR.
As distinct from healthy narcissism, which all people possess to some extent, pathological narcissism is a maladaptive, rigid, and persistent condition that can cause significant distress and functional impairment.
For more information about the topic Narcissistic personality disorder, read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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