In the United States,any disease, disorder, or illness or condition that affects less than 200000 is considered a scarce disease. Health conditions such as Tay-Sachs,ocular toxoplasmosis, fragile X syndrome, or ALS (Amyotrophic lateral sclerosis) are just a few examples. However,the National Organization for scarce Diseases (NORD) says that there are more than […]
Source: marchofdimes.org