New research shows that residents of the Stroke Belt -- a southern portion of the US with significantly elevated stroke morality rate -- also have a greater incidence of cognitive decline than other regions of the country. Researchers believe shared risk factors among members of this population are to blame. Results of this study, funded by the National Institute of Neurological Disorders and Stroke, are published in Annals of Neurology, a journal of the American Neurological Association.

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