A stroke is a serious medical emergency that occurs when blood flow to part of the brain is interrupted or when a blood vessel in the brain ruptures. Without an adequate supply of oxygen and nutrients, brain cells can begin to die within minutes.
Recognizing the warning signs of a stroke and seeking immediate medical attention can save lives and reduce the risk of permanent disability. Understanding the causes, types, and risk factors can also help people take steps to protect their brain health.
What Is a Stroke?
A stroke
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