AlanHo Posted September 5, 2003 Report Share Posted September 5, 2003 Why yawning is contagiousYou yawn to equalise the air pressure each side of your eardrums. This pressure change outside your eardrums increases the air pressure in the room and unbalances other peoples ear pressures so they have to yawn to even it out. Quote Link to comment Share on other sites More sharing options...
andsome Posted September 6, 2003 Report Share Posted September 6, 2003 OH Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.