Personality disorders affect an estimated 9% of Americans. Only a mental-health professional can diagnose a personality disorder, typically in adulthood. Insider compared the behaviors, traits, and ...

Given the amount of current interest in the concepts of narcissism and narcissistic personality disorder (NPD), I think many people would find a brief history of this diagnosis useful. One of the ...

Several personality disorders, like the passive-aggressive, have come and gone from the Diagnostic and Statistical Manual of Mental Disorders (DSM) for various reasons. These include what was called ...

Here's where the problems start, though: While on the stand, Dr. Curry said that BPD is commonly "a predictive factor in women who implement violence against their partner." Then she stated that women ...