Stroke rates decline over 20-year period, researchers say

July 16, 2014 1:06 AM

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Stroke rates decline over 20-year period, researchers say

A stroke occurs when a blood vessel that carries oxygen and nutrients to the brain is either blocked by a clot or ruptures, killing brain cells.

A new study, published in the Journal of the American Medical Association, looked at the trends in the incidence of and mortality from stroke in the U.S. between 1987 and 2011. The researchers note that this is one of the first studies to have long-term trend data that is broken down by race. Overal...

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