Do you ever think about we yawn? Do you yawn when you see yawn? A new from the UK has researched this. It found that yawning is , powerful and . People automatically yawn when they see people yawn. Researchers said people yawn more when they try to stop yawning. They also found that some people want to yawn a lot than other people. Lead Professor Stephen Jackson said that even reading yawning could make people yawn. You might even want to yawn right .
The researchers studied the and brain activity of 36 . The adults looked at videos of people yawning. They then had to yawn or stop yawning. The volunteers were videoed as they did either of . The researchers also checked the brain of the adults and checked how much they wanted to yawn. Jackson said understanding more about yawning will help to treat such as dementia and . He said: "We are looking for non-drug, personalized …that might be in [changing] imbalances in the brain."