There isn't any scientific study that tells that.
A particularly vivid example of Narcissistic personality traits is Charlie Sheen. He displays at least 5 of the cardinal signs of the disorder, and his apparent lack of regard for others seems quite obvious to the average observer, let alone one trained in psychology/psychiatry.
Dissociative identity disorder is also known as multiple personality disorder. The average age of diagnosis with this disorder is around thirty.
Sometimes. Narcissism (NPD) is in the same cluster of personality disorders as BPD (cluster B). People who have traits of ONE cluster B disorder are more likely than average to have traits of another cluster B disorder. So there appears to be some possible connections, and of course, lots of people can have a child with BPD anyhow, and narcissists should be no different. There are sites that have more information, like BPDFamily, Light's House, BPD411 and Out of the Fog. Some of them even have forums where you can ask questions and read up on the research and statistics.
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Yes, just like someone can have both diabetes and high blood pressure, a person can have more than one mental disorder. Also, those 2 disorders are in the same cluster (cluster B), and having one cluster B disorder puts a person at a higher risk than average for having traits of another cluster B disorder.
Above average; average build; average distance; average personality.
Slavedrivers!!
I guess you could tell them that, but if they have been drinking, that is still a crime and it doesn't matter if you are Paris Hilton or an average person cause you can't escape from law.
The salary of a personality psychologist can vary depending on factors such as education, experience, location, and employer. On average, a personality psychologist in the United States can make between $50,000 to $100,000 per year.
Speaking for residents of the United States, currently the biggest demographic that suffers from bipolar disorder and depression are adult women. They suffer from some form of bipolar disorder three times as much as men.
There is no such effect.
Primary Raynaud's disease is diagnosed following the Allen Brown criteria