



Does the study of yawning contribute to our understanding of ourselves and the world around us?
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what causes excessive yawning
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- Do groups of people yawn together in a coordinated way?
- Is upper airway resistance syndrome linked to yawning?
- Is yawning related to breathing patterns?
- Does yawning help to stretch the lungs and airways?
- Do animals with larger brains yawn more?
- Can yawning provide temporary pain relief?
- Can exposure to pollutants affect yawning frequency?
- Are there any dietary links to excessive yawning?
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