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Unformatted text preview: o Eventually unable to care for themselves o Death does not result from the actual disease but from complications (choking, infection, heart failure, etc) CAG codon : repeated 40 or more times along part of the Huntington gene in people who have HD o The higher the CAG repeat, the more likely HD will be exhibited at a younger age There is currently no cure and only one FDA-approved treatment (Xenazine) for a symptom of HD Usually begins between ages of 30-50 (but can be as early as 2) o Average lifespan after onset is 10-20 years o The younger the age of onset, the quicker HD progresses Affects males and females equally, and all ethnicities and races. o Each child of a person with HD has a 50/50 chance of inheriting the gene Everyone who carries the gene will develop HD, cannot be prevented 1993: HD gene isolated and a direct genetic test was developed o The test cannot predict when symptoms will begin...
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- Spring '08