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.

The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.

*(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 ...

Sarah Schuster has a journalism degree from Syracuse University. She spent seven years helping people tell their mental health stories at The Mighty, and is currently pursing a master's in social work ...

The American Psychiatric Association (APA) publishes “Practice Guidelines” for the treatment of several mental disorders, including eating disorders, substance abuse, and schizophrenia. These manuals ...

Symptoms of ASPD can start in childhood and may include manipulative and reckless behaviors. ASPD often co-occurs with other mental health conditions, which makes it harder to treat. Up to 31% of ...