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University of Utah Health Researchers Find Link Between Air Pollution and Risk of Brain Bleed

University of Utah Health researchers have linked particulate matter (PM2.5) air pollution with aneurysmal subarachnoid hemorrhage (aSAH)—bleeding within the brain caused by a ruptured aneurysm. Although rare, when severe, these hemorrhagic strokes can damage brain tissue enough to leave patients paralyzed or in a coma, or cause death.

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