http://pagingdrgupta.blogs.cnn.com/2010/06/07/what-is-darth-vaders-diagnosis/?hpt=C2
intersting psych article from CNN
A letter to the editor in the journal Psychiatry Research explores just what is wrong with Vader. French researchers posit that Vader exhibits six out of the nine criteria for borderline personality disorder. Unstable moods, interpersonal relationships, and behaviors are all characteristics of this condition, according to the National Institutes of Mental Health. It affects 2 percent of adults, mostly young women.
The young Anakin Skywalker was separated from his mother at an early age, and his father was absent, factors that could have contributed to borderline personality disorder. His “infantile illusions of omnipotence” and “dysfunctional experiences of self and others” are also indicative of this condition from an early age.
…that and all the Force chokin’ could be a sign…