11. Narcissistic personality disorderVain business man checking his looks in the mirror | iStock.com/Artsiom
Often considered to be more of a personality quirk or characteristic, narcissism is an actual disorder known by professionals as narcissistic personality disorder. “The public often thinks of celebrities, politicians, and musicians as being narcissistic and many of them can be, however, the term narcissism is thrown around too often when referring to someone who primarily thinks of themselves,” Fisher said.
Symptoms of narcissistic personality disorder include having an exaggerated sense of self-importance, exaggerating one’s abilities or talents, requiring constant admiration, etc. But to be considered clinical narcissism, these symptoms must create significant impairment in the person’s functioning, Fisher tells us.
[Editor’s note: This story was originally published May 29, 2017.]