New research reveals why is yawning so contagious
Why is yawning so contagious? New research found it triggers an automatic response in a primitive part of our brain.
Scientists from the University of Nottingham say understanding contagious yawning could also help understand other conditions like Tourette’s.
Video journalist Sofia Bettiza explains.
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by Eloti TV via Nigerian News 24/7 | ElotiTV.com
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