TIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.
TIL yawning is observed in almost all vertebrate animals and is "contagious" across species. There is no consensus on why yawning occurs.
You're viewing a single thread.
All Comments
50 comments
I wouldn't be surprised if it's not the human that instigates the yawn at all, and it's initiated by the lung microbiome to regulate its environment.
For science: anyone up for huffing some chlorine to see if their yawning goes away?
2 0 Reply
50 comments
Scroll to top