JoeAnt.com Directory

Promotes public and professional awareness, research, and treatments of fragile X syndrome.

http://www.fragilex.org/

National Organization for Rare Disorders. Offers resources on diseases and support organizations.

http://www.rarediseases.org/

Information on more than 6,000 rare diseases from the National Institutes of Health.

http://rarediseases.info.nih.gov/