A stroke occurs when something blocks blood supply to part of the brain or when a blood vessel in the brain bursts. A stroke can cause lasting brain damage, long-term disability, or even death.
Signs of stroke include:
- Sudden numbness or weakness in the face, arm, or leg, especially on one side of the body.
- Sudden confusion, trouble speaking, or difficulty understanding speech.
- Sudden trouble seeing in one or both eyes.
- Sudden trouble walking, dizziness, loss of balance, or lack of coordination.
- Sudden severe headache with no known cause.
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