Huntington's disease: Symptoms, causes, and treatment
Huntington's Disease Huntington's disease, or Huntngton's chorea, is a genetic disease thatcauses selective neural cell death, which results in chorea, or irregular, jerking movements of the limbs caused by involuntary muscle contractions, anddementia. It can cause a lack of concentration and depression. It also maycause atrophy of the caudate nucleus, a part of the brain. However, symptomsvary between individuals, with some sufferers showing symptoms that others donot. Those suffering from Huntington's disease normally begin displayingsymptoms between the ages of 30 and 50, but has been known to show itself inpeople as young as two and as old as 80. Huntington's disease is inehrited from one of the victim's parents. Since the gene for HD is dominant, there is a 50% chance of a sufferer'soffspring inheriting the disease. Because a victim usually does not begin todisplay symptoms until after the period in which he or she would have childrenand the disease may have been misdiagnosed in earlier generations as Parkinson'sdisease or other similar affliction, he or she might pass along the gene withouteven knowing it.
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Huntington's Disease : Causes , Symptoms, Treatment
Juvenile Huntington's Disease occurs with 60 or more repeats, linking the longer chains of CAG sequences to earlier and more aggressive onset of the disease.
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There are three different tests for Huntington's disease. The first, presymptomatic testing, is for people who are at risk for the disease. Thesecond, prenatal testing, is a testing of a fetus at risk for the disease. Thethird type of testing, confirmatory testing, is used on someone suspected ofhaving Huntington's disease. Treatment of Huntington's disease usually involves counciling andeducation about the disease of both the family and the patient.