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Written by Cara Stevens and Medically Reviewed by Scott Pearlman, M.D.
A stroke occurs when an artery becomes blocked or ruptures, cutting off blood flow to your brain. It causes those areas of the brain to die. Strokes can cause paralysis, trouble with speech, dizziness, confusion and other symptoms. However, there is good news: up to 80% of all strokes are preventable. Now even better news: If you are at risk for a stroke, you may be able to lower your risk with some minor changes in your lifestyle and behavior. If you’ve already had a stroke, you may be able to cut your risk for a second stroke as well.
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