An insecure and unstable sense of identity is fundamental to borderline personality disorder (BPD). Even as researchers in the field urge that clinicians move away from categorizing people with ...

Emotional highs and lows and questions of who we are are a natural part of adolescence. During this transformative period, young people go through profound psychological changes that affect how they ...

An international team led by the Central Institute of Mental Health in Mannheim has presented the largest genome-wide ...

A New Zealand woman has found love and happiness, even as she navigates life with 93 alternative personalities. Dissociative identity disorder (DID), formerly known as multiple personality disorder, ...

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.

Genetics is just one of several factors thought to influence personality disorder development. Life experiences, family dynamics, coping mechanisms, and social learning may all be contributing factors ...

Where mood disorders can cause temporary or fluctuating changes in mood, personality disorders cause symptoms that remain consistent over time and across a range of situations. For example, bipolar ...

Many medical terms have evolved or changed over the years to reflect advancements in medical knowledge or to reduce stigma. For example, what was once called consumption is now known to be ...

We learn the story of “Ella,” a patient with 12 different personalities, or “parts,” and of her therapist, who helped her form a peaceful community—many selves in one body and mind. She'll tell us ...