The word “narcissism’ is kicked around like tires on a new car these days, but living with a narcissist is anything but trivial. A relationship with someone who has narcissistic personality disorder ...

A new study ranks the U.S. 16th in global narcissism, behind Germany, Iraq and China—young men score highest worldwide.

Personality disorders, as described in the DSM-5, 1 are characterized by inflexible and maladaptive patterns of behavior, thoughts, and feelings. Furthermore, personality disorders are associated with ...

Researchers can't tell you how many people have narcissistic personality disorder (NPD), but it's likely a lot less than ...

Is it possible to spot personality dysfunction from someone's everyday word use? My colleagues and I have conducted research ...

HAMBURG — What is “normal” and what isn’t? This question is constantly being renegotiated in psychology. And sometimes, the boundaries shift, as they are now. What is considered a personality disorder ...

Nobody gets along with their boss all the time, but are you working for a full-blown narcissist? Look for these signs.

Perfectionism, at bottom, is a means of coping with a fragile ego. Founded on black-and-white thinking, or the belief that things are either good or bad to be precise, one comes to believe that either ...