Huntingtons Disease.?
What is it?
Answers: Huntington's disease (HD) results from genetically programmed degeneration of brain cells, call neurons, in sure areas of the brain. This degeneration causes uncontrolled movements, loss of intellectual faculty, and emotional disturbance. HD is a familial disease, passed from parent to child through a mutation within the normal gene. Each child of an HD parent have a 50-50 chance of inheriting the HD gene. If a child does not inherit the HD gene, he or she will not develop the disease and cannot leave behind it to subsequent generations. A personality who inherits the HD gene will sooner or later develop the disease. Whether one child inherits the gene have no bearing on whether others will or will not inherit the gene. Some precipitate symptoms of HD are mood swings, depression, irritability or trouble driving, learning unusual things, remembering a fact, or making a declaration. As the disease progresses, concentration on intellectual tasks becomes increasingly difficult and the long-suffering may have difficulty feed himself or herself and swallowing. The rate of disease progression and the age of onset change from person to being. A genetic test, coupled near a complete medical history and neurological and laboratory tests, help 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 near HD, no family history of HD can be found.
Most family with HD eventually exhibit uneven, random, out of hand movements called chorea, although some exhibit terribly slow movement and stiffness (bradykinesia, dystonia). These abnormal movements are initially exhibited as broad lack of coordination and an unsteady gait and unhurriedly increase as the disease progresses; this eventually causes problems next to loss of facial expression (called "masks surrounded by movement") or exaggerated facial gestures, inability to sit or stand stably, speech, chewing and swallowing (which can organize to weight loss if diet and intake methods are not adjusted appropriately, and loss of determination. In the later stages of the disease, speaking is impair with slurred words and out of control movements of the mouth, eating and mobility are extremely difficult if impossible, and full-time care is required. http://en.wikipedia.org/wiki/Huntington%...
http://www.ninds.nih.gov/disorders/hunti...
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