Dimensional models of personality disorders are increasingly popular, but do they obscure real clinical syndromes?

The DSM defines Narcissistic Personality Disorder using nine specific criteria. This video walks through each one alongside Donald Trump's own public statements and documented behavior.

*(CNN) — Nick Cannon has spoken out about his recent diagnosis of narcissistic personality disorder, saying “I need help.” The “Masked Singer” host revealed in a podcast earlier this month that he had ...

Diagnosing personality disorders in children is controversial due to natural developmental shifts in mood and behavior. When maladaptive traits remain pervasive and persistent, however, a personality ...

Volatile relationships, reckless impulsivity and an unstable identity are hallmarks of this misunderstood mental health condition. Credit...Vanessa Saba Supported by By Christina Caron On the surface, ...