A site maintained by the U.S. Department of Health & Human Services. Its stated goal is to "improve mental health through prevention and by ensuring access to appropriate, quality mental health services."
This is the Medline Plus index of pages related to mental disorders. It includes links to general information, such as overviews of disorders, along with more specialized information, such a clinical trials or laws and policies. Maintained by the National Institute of Health and the National Medical Library.
The Medline Plus index to materials related to mental health. Part of the National Library of Medicine and the National Institute of Health, this is a reliable place to start research.