Why is yawning contagious?
Yawning releases carbon dioxide (CO2). Large groups produce large amounts of CO2, yawning gets rid of it.
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Older Answers
Sep 15, 2010 ... Yawning when others yawn is a sign of empathy and a form of social bondi
Answered by Lauren H. -
It may not be one of life's deepest mysteries, but as scientific conundrums go, it has a peculiar staying power. Why is yawning contagious?
Answered by Dustin H. -
Some current theories focus on yawning as a social cue (like laughing) that communicates information and helps organize ...more?
Answered by Eurico C. -
In an effort to find the answer, the Finnish government funded a brain study. The results confirmed it is unconscious. ChaCha on!
Answered by Christopher H. -
Seeing someone yawn activates the superior temporal sulcus in the brain which causes us to mirror actions, hence it's contagious.
Answered by Joann H. -
In an effort to find the answer, the Finnish government funded a brain study. The results confirmed it is unconscious. ChaCha on!
Answered by Norma F. -
The exact mechanism and reasons of why one yawns in response to others yawning is still not clearly understood. ChaCha!
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When we contagiously yawn we are participating in an ancient, hardwired ritual to help groups stay alert and detect danger.
Answered by Christine J. -
About Carbon Dioxide
Carbon dioxide is a chemical compound composed of two oxygen atoms bonded to a single carbon atom. CO2 is increasing due to the burning of fossil fuels, leading to global warming. Carbon dioxide is often confused with carbon monoxide.
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