About Rare DiseasesGet the latest headlines from the About.com Rare Diseases GuideSite.Hirschsprung's Disease- July 6, 2008 Hirschsprung's disease is a birth defect in which part of the large intestine lacks nerve cells. Without nerve cells, the muscles in that part of the intestine can't work properly....http://rarediseases.about.com/b/a/257823.htm Turner syndrome is a risk factor for aortic dilation- July 3, 2008 Girls and young women with Turner syndrome, a genetic disorder in girls caused by a missing or defective X (female) chromosome, are at increased risk of enlargement of the aorta...http://rarediseases.about.com/b/a/257822.htm |