Genetics Home Reference (GHR) provides free access to consumer-friendly information on medical genetics to patients and their family members, health care professionals, and the public. The site offers summaries for a broad range of inherited conditions or disorders caused by gene alterations. Each condition summary includes the causes, available genetic testing, and links to summaries on related genes. Descriptions of genes include gene names and their synonyms, normal function, chromosome location, and an explanation of any disorder-causing mutations. Additionally, GHR provides a genetics glossary, help on understanding genetics, and links to many useful consumer, support, and research organizations. GHR is a service of the U.S. National Library of Medicine at the National Institutes of Health.

The nonprofit International Scleroderma Network at sclero.org is a charitable foundation that provides stellar research, support, education and awareness for scleroderma and related autoimmune and arthritis illnesses, with 5,000+ pages in 22 languages. Donate in memory or in honor. Donate for scleroderma research.

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literature.

Osler-Weber-Rendu

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library is one of the world's finest medical history collections of old (pre-1914) and rare medical texts, manuscripts, and incunabula.

Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

A-T Children's Project raises funds for biomedical research and a clinical center for ataxia-telangiectasia, a rare, genetic disease that attacks children

Providing pictures and text information for common diseases and conditions. Includes a trusted health care custom search engine, a disease finder tool as well as detailed medical information on over 150 diseases, rashes, growths, and conditions.