When you think of someone with borderline personality disorder, it’s likely that you imagine their tendency to let their emotions veer out of control, become overly intrusive, and alternate between ...

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 ...

Is borderline personality disorder a serious mental illness? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world ...

Comorbidity is when a person has more than one health condition at once. Researchers investigating the comorbidity of personality disorders have found people with certain disorders may have other ...

The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.

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 ...

In a new study, psychologists tried to get a handle on the personality types that might be prone to outlandish beliefs. By Benedict Carey More than 1 in 3 Americans believe that the Chinese government ...