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Chance of stroke rises with the heat

Updated: August 1, 2001, 8:37 PM ET
By Dr. Jerry Punch | Special to ESPN.com

Heat stroke, which reportedly led to the death of Vikings lineman Korey Stringer, occurs when major organs shut down from limited blood supply. People think of strokes as cerebral hemorrhages, when a certain part of the brain loses blood and produces a weakness or paralysis on one side of the body or another. But heat stroke can affect organs aside from the brain.

People think conditioned athletes may be more resistant to heat stroke, but in reality they may be more ...

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