Adam seemed to have a split personality. Most of the time, people thought he was a nice guy, although his temper was a ticking time bomb. He would explode at the drop of the proverbial hat. The ...

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 ...

Everyone's diagnosing everyone with narcissism on the thinnest of criteria these days, but it turns out there is one way to detect a potential personality disorder in a person: their speech patterns.