http://www.ninds.nih.gov/disorders/huntington/huntington.htm
What is Huntingtons Disease?
Huntingtons disease (HD) results from hereditaryally programmed depravation of brain cells, called neurons, in certain areas of the brain. This degeneration causes uncontrolled movements, freeing of intellectual faculties, and aflame disturbance. HD is a familial disease, passed from parent to minor through a mutation in the normal gene. distributively child of an HD parent has a 50-50 chance of inheriting the HD gene. If a child does not inherit the HD gene, he or she pull up stakes not develop the disease and cannot pass it to subsequent generations. A person who inherits the HD gene will sooner or later(prenominal) develop the disease. Whether one child inherits the gene has no tutelage on whether others will or will not inherit the gene. Some early symptoms of HD are mood swings, depression, irritability or trouble driving, learning new things, remembering a fact, or making a decision. As the disease progresses, concentration on intellectual tasks becomes increasingly difficult and the patient may build difficulty feeding himself or herself and swallowing. The rate of disease procession and the age of onset vary from person to person.
A genetic test, coupled with a complete medical history and neurological and laboratory tests, helps physicians diagnose HD. Presymptomic testing is available for individuals who are at risk for carrying the HD gene. In 1 to 3 percent of individuals with HD, no family history of HD can be found.
Is there any sermon?
Physicians prescribe a number of medications to help control emotional and movement problems associated with HD. In August 2008 the U.S. Food and Drug political science approved tetrabenazine to treat Huntingtons chorea (the involuntary worm movements), making it the first drug approved for use in the United States to treat the disease. Most drugs used to treat the symptoms of HD subscribe to side effects such as fatigue,...If you want to bugger off a full essay, order it on our website: Orderessay
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