Personality disorders are a form of mental disorder. They are characterised by a long-term pattern of serious behavioural differences that significantly affect the functioning of the individual in personal and social situations.
Some types of personality disorder that have been defined are:
... Canada (2002-)
Humphrey, J.P., Human Rights and the United Nations: A Great Adventure (New York: Transnational Publishers, 1984)
Beaudoin G.-A. & E. Ratushny, The ...