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Do you ever wonder why we yawn? Do you always yawn when you see other yawn? A new from Nottingham University in the UK has done on this. Researchers found that yawning is . It is a powerful and unstoppable . People automatically want to yawn when they see other people yawning. The researchers said people yawn more when they try to stop yawning. The researchers also found that people have a much urge to yawn than other people. Lead researcher Professor Stephen Jackson said that reading about yawning could be enough to make people yawn. You might even want to yawn right .

The researchers studied the reactions and brain of 36 adult volunteers. The looked at video clips of other people yawning. They then had two - either to stop themselves yawning or to allow to do it. The volunteers were videoed as they yawned or tried to yawn. The researchers also monitored the brain of the volunteers and checked how strong their to want to yawn was. Jackson said understanding more about yawning will help to treat such as dementia, epilepsy and Tourettes. He said: "We are looking for non-drug, personalized treatments…that might be effective in [changing] in the brain."

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