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), ...

Borderline personality disorder (BPD) is one of several personality disorders described in the Diagnostic and Statistical Manual (DSM-5) by the American Psychiatric Association. BPD belongs to a group ...

Histrionic and borderline personality disorders often feature overlapping symptom themes. As personality disorders belonging to the same group classification, they can both involve intense, emotional, ...

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.

How can we explain the erratic, reckless, or even aggressive behavior of certain people in the public spotlight? An international research team consisting of members from Freie Universität Berlin, ...

Avoidant personality disorder (AvPD) isn’t as well-known as narcissistic or borderline personality disorder, but that doesn’t mean it’s uncommon. In fact, some researchers tell us that AvPD was the ...

Schizoid and paranoid personality disorders have key differences. Paranoid personality disorder (PPD) leads people to think that others are trying to harm them, while schizoid personality disorder ...

For the first time since 2001, the American Psychiatric Association (APA) has updated its clinical practice guideline on borderline personality disorder (BPD). The new guideline is “quite substantial ...

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.

HAMBURG — What is “normal” and what isn’t? This question is constantly being renegotiated in psychology. And sometimes, the boundaries shift, as they are now. What is considered a personality disorder ...