What Is a Stroke?

A stroke is a reduction in blood supply to the brain due to a blockage or bleeding in the brain. Rapid treatment—within three hours of the first symptom—is crucial. Stroke symptoms come on suddenly and include trouble speaking; confusion; weakness, numbness, or paralysis on one side of the face or body; vision problems; severe headache; or trouble with walking or balance.

Featured Stories

Mom Suffering Stroke Saved By Time-Sensitive Medicine Thanks to Selfie Taken Minutes Before

Doctors gave Stephanie Farnan time-sensitive medicine after learning when the stroke occurred as indicated by the time of the selfie on her phone.
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More on Stroke

10 Stroke Symptoms Everyone Should Know

If you or someone you know has one or more of the following stroke symptoms, call 911. A stroke is a medical emergency, and doctors often say “time is brain,” meaning the quicker you get treatment, the better.
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17 Surprising Things That Affect Stroke Risk

Basically a heart-healthy lifestyle cuts your stroke risk too. So get a veggie wrap instead of the pastry, take a bike ride, and quit smoking. But there are many other things you can do to lower your stroke risk.
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This 23-Year-Old Suffered a Paralyzing Stroke After Cracking Her Neck

She was just watching a movie when she tore a major artery.