Gene variant affects stroke prognosis in humans

A small difference in DNA sequence predicts the degree of disability after a stroke, according to a paper published online on February 28 in the Journal of Experimental Medicine (www.jem.org). Stroke, the consequence of disturbed blood flow to the brain, can impair speech, movement and vision, but it is currently difficult for clinicians to predict the severity of these side effects or the long-term prognosis...

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