Like other personality disorders ... no specific tests that confirm someone has the condition. Symptoms of BPD can also look ...

Imagining what it’s like on the “inside ... for example, a narrative approach looks for themes that express this key feature of the inner experience of people with BPD.

What causes BPD isn’t fully understood, but most experts agree that it’s likely a mix of factors, including genetics, brain function, and traumatic events like childhood physical or sexual ...