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posted by cudambercam13
Huntington's disease

Definition

Huntington's disease is a disorder passed down through families in which nerve cells in the brain waste away, au degenerate.



Alternative Names

Huntington chorea



Causes, incidence, and risk factors

American doctor George Huntington first described the disorder in 1872.

Huntington's disease is caused kwa a genetic defect on chromosome #4. The defect causes a part of DNA, called a CAG repeat, to occur many zaidi times than it is supposed to. Normally, this section of DNA is repeated 10 to 35 times. But in persons with Huntington's disease, it is repeated 36 to 120 times....
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