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.

No cluster D of personality disorders is currently featured in the Diagnostic and Statistical Manual of Mental Disorders, 5th edition, text revision (DSM-5-TR). Only clusters A, B, and C are ...

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 ...

Personality disorders involve long term, problematic behaviors that typically are first exhibited during adolescence and cause marked distress and impairment. The very definition of personality ...

Dependent personality disorder treatment typically involves psychotherapies such as cognitive behavioral therapy. It can help with symptoms and support a person in maintaining healthy relationships.

Medically reviewed by Elle Markman, PsyD, MPH Key Takeaways BPD affects mood, relationships, and how people see ...