Some signs and early warning signs of a stroke are numbness or weakness in the face, arm or leg especially on one side of the body that occurs suddenly.
Severe headache with no known cause and sudden difficulty walking or dizziness, loss of balance or problems with coordination, sudden confusion or trouble speaking or understanding speech and sudden vision problems in one or both eyes.
If you think you or someone is having a stroke you need to call 911 immediately because a stroke can cause death or severe impairment.