An estimated 9% of Americans have a personality disorder, like narcissistic personality disorder, borderline personality disorder, or avoidant personality disorder. According to the fifth edition of ...

A personality disorder is a longstanding and inflexible personality pattern. Personality, in turn, is whatever enables us to predict how a particular person will respond to a given situation. It ...

Medically reviewed by Michael MacIntyre, MD Cluster C personality disorders include conditions with anxious and fearful thoughts and behaviors. These are avoidant personality disorder (AVPD), ...

One of the unfortunate things about the current state of personality disorder diagnosis is that there are too many different competing systems. Each system is more or less internally consistent, but ...