What causes a stroke?

1 ANSWERS

1. Victor Strong
   

    A stroke or cerebrovascular accident (CVA) occurs when there is a sudden loss of blood supply to the brain. This results in a sudden loss of brain function and can be caused by a blockage (clot) or hemorrhage.

   
   

   The following are risk factors for strokes: old age, high blood pressure, diabetes, previous strokes, high cholesterol and smoking. Strokes are the second leading cause of death worldwide.

   
   

   Source: http://en.wikipedia.org/wiki/Stroke

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