Why do we yawn? Do you yawn others yawn? A new has researched . It found that yawning is and unstoppable. We yawn when we see others yawn. We yawn more when we try to stop yawning. Some want to yawn a lot more than people. Researcher Professor Stephen Jackson said that reading about yawning could make yawn. You might even want to yawn right .
The researchers studied the actions and activity of 36 people. The people looked at of people yawning. They then had to yawn or stop yawning. The people were videoed doing . The researchers checked the brain of the adults. Jackson said understanding about yawning will help to treat like dementia and . He said he was looking for non-drug that might help the brain.