It is also called huntington's disease. [read more]Huntington's diseaseHuntington's disease (HD), known as Huntington's chorea and chorea maior, is a rare genetic neurological disorder inherited by an estimated one person per 10,000 people of Western European descent, varying geographically, down to one per 1,000,000 of Asian and African descent. [read more]Hurler syndromeHurler syndrome, also cal