What to do and not do if someone is having a stroke

(NewsNation) — When it comes to strokes, every second matters. Fast action can save lives and improve recovery.According to the National Heart, Lung, and Blood Institute, "a stroke can occur when blood flow to the brain is blocked or there is sudden bleeding in the brain."Here's what you should and shouldn't do if you suspect someone is having a stroke:
1. Call 911 immediatelyAt the first sign of stroke symptoms, call 911 and tell the dispatcher you suspect a stroke. If you're unsure of th