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Tourists walk through the snow-covered Empty Sky Memorial at Liberty State Park in Jersey City, N.J. Researchers who analyzed local climate trends and hospital records on millions of Americans say there may be a link between weather and the risk for stroke. Cold weather, high humidity and big daily temperature swings brought more stroke hospitalizations. The study by researchers from Yale, Harvard and Duke universities was discussed today at a stroke conference in San Diego.

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Cold, humidity increase stroke risks

Temperature swings can also play a role

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