* One side of the face droops
* The smile looks uneven
* The mouth appears pulled to one side
* The person cannot smile normally
A simple way to check is to ask the person to smile. If one side does not move properly, emergency help should be sought immediately.
## 3. Trouble Speaking or Understanding Speech
A stroke can interfere with the brain’s language centers. That may cause:
* Slurred speech
* Difficulty finding words
* Saying words that do not make sense
* Trouble understanding what others are saying
Some people know what they want to say but cannot get the words out clearly. Others may sound confused or unable to respond appropriately.
Any sudden speech problem is a major warning sign.
## 4. Sudden Confusion
