Personality disorders are listed in the Diagnostic and Statistical Manual of Mental Disorders published by the American Psychiatric Association, most recently published in 2022 as the DSM-5-TR. It ...

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 ...

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.

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), ...

Comorbidity is when a person has more than one health condition at once. Researchers investigating the comorbidity of personality disorders have found people with certain disorders may have other ...

A massive global genetics study is reshaping how we understand mental illness—and why diagnoses so often pile up. By ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Bipolar disorder is a mental health condition that affects 4.4% of US adults at some point in their lives, according to the ...

Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior. Although bipolar disorder is a chronic ...