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"" Medical center studies portable satellite system ""
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"" Home care for chronic illnesses studied ""
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  UC Davis researchers discover syndrome affecting older men  
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  NEWS
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UC Davis researchers discover syndrome affecting older men

Researchers at UC Davis have developed a new method that can reduce the radiation dose delivered to a child during computed tomography (CT) imaging by as much as 80 percent. The new technique, reported in the journal Radiology, allows radiologists to tailor thage 50 and results in tremors, balance problems and dementia that become increasingly severe with age.

Known as fragile X-associated tremor/ataxia syndrome, or FXTAS, the disorder affects older men who are carriers of a premutation in the same gene that causes fragile X syndrome, the most common cause of inherited mental retardation. Nearly 1 in 800 men in the general population carries this premutation, and UC Davis research suggests that as many as 30 percent of carriers — roughly 1 in 3,000 men — may develop FXTAS later in life.

The research was led by the husband-wife team of Paul and Randi Hagerman. Paul is a UC Davis professor of biological chem istry. Randi is medical director of the UC Davis M.I.N.D. Institute and a professor of pediatrics. The discovery was published in the Jan. 28 issue of the Journal of the American Medical Association.

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