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Why do we yawn? A new study researched this. It found that yawning is unstoppable. We yawn when we see others yawn. We yawn more when we try to stop yawning. Some people want to yawn more than other people. Reading about yawning could make us yawn. You might want to yawn right now.
The researchers studied the actions and brain activity of 36 people. They looked at videos of other people yawning. They then had to yawn or stop themselves yawning. The people were videoed doing this. Jackson said understanding more about yawning will help to treat illnesses. He wants to find ways to help the brain.
Back to the yawning lesson.
