Huntington's disease is inherited as an autosomal dominant disease that gives rise to
progressive, elective (localized) neural cell death associated with choreic movements
(uncontrollable movements of the arms, legs, and face) and dementia. It is one of the
more common inherited brain disorders. About 25,000 Americans have it and another
60,000 or so will carry the defective gene and will develop the disorder as they age.
Physical deterioration occurs over a period of 10 to 20 years, usually beginning in a
person's 30's or 40's. The gene is dominant and thus does not skip generations.
Having the gene means a 92 percent chance of getting the disease. The disease is
associated with increases in the... View More »