The Mayo Clinic research group defines Narcissistic Personality Disorder (NPD) as “a mental condition in which people have an inflated sense of their own importance, a deep need for excessive ...

Personality refers to a relatively stable set of tendencies in behaviors, cognitions, and emotional patterns, which together constitute a person’s unique character. One person may, for instance, be ...

There’s a persistent myth that bipolar disorder means you’re cheerful one minute and crying the next, flipping between emotions like a light switch throughout the day. The reality is far more complex ...

Where mood disorders can cause temporary or fluctuating changes in mood, personality disorders cause symptoms that remain consistent over time and across a range of situations. For example, bipolar ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

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.