Topical information about narcissistic personality disorder, "a mental disorder in which people have an inflated sense of their own importance and a deep need for admiration." Subjects covered are definition, symptoms, causes, risk...

Examined are factors that increase the risks of bipolar disorder: psychological, environmental, genetic, neuro chemical, and difference in brain structure and function.

Factors involved in depression including biological, psychological, socio-cultural or environmental as well as genetic components (5-htt LPR) are examined.