Personality disorders can significantly affect your daily life, work, and relationships. Your treatment plan may involve psychotherapy and medication to manage your symptoms. Personality disorders are ...

The study of human personality or "character" (from the Greek charaktêr, the mark impressed upon a coin) dates back at least to antiquity. In his Characters, Tyrtamus (371-287 B.C.) — nicknamed ...

Narcissistic personality disorder (NPD) is 1 of 10 clinically recognized personality disorders. Though NPD is only one official diagnosis, doctors further classify the condition into 2 types.

Roughly one in 10 adults lives with a personality disorder. While conditions like depression or anxiety disorders mostly affect how someone feels, a personality disorder influences a person’s ...

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.