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<http://schema.org/articleBody>
"Passed on from a co-worker. These make all the sense in the world and are quite simple. If you suspect that someone you know may have had a stroke: 1. Ask the person to smile. 2. Ask the person to speak a sentence or talk to you. 3. Ask the person to raise both arms or to grip your hands. Inability to do any of these bilaterally with equal strength could be a sign that the person has had a stroke. The stroke will be in the opposite side of the brain from the affected limb."
<https://aerden.livejournal.com/453330.html>