Narcissistic Personality Diso... : Causes

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Causes could include:
The cause of this disorder is unknown. Narcissistic personality disorder usually begins by early adulthood and is marked by disregard for the feelings of others, grandiosity, obsessive self-interest, and the pursuit of primarily selfish goals.
Source:ADAM
Date:November 15, 2006
Narcissistic personality disorder (NPD) is defined by the Fourth Edition Text Revision of the Diagnostic and Statistical Manual of Mental Disorders ( DSM-IV-TR , a handbook that mental health professionals use to diagnose mental disorders) as one ...
Source:Gale Encyclopedia of Mental Disorders
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