<h2>Research suggests that genetics, abuse and other factors contribute to the development of obsessive compulsive, narcissistic or other personality disorders.</h2>
<h2>Overall, paranoid, narcissistic, passive–aggressive personality disorder symptoms correlated significantly with violence.</h2>
<h2>The most common form of adverse experience reported by people with BPD was physical neglect at 48.9%, followed by emotional abuse at 42.5%, physical abuse at 36.4%, sexual abuse at 32.1% and emotional neglect at 25.3%.</h2>
