Health information

QUESTION: Please do not laugh at my question, but since I have been unable to
find an answer to it, I thought you might be able to help me
Quite simply I
would like to know why we yawn, and why everyone seems to do it at the same
time? Could you look up the answer for me, and put it in your column?

ANSWER: Actually, that is a very good question, since it may interest many
people and so deserves an answer
I’ll be honest
There has not been a
tremendous amount of medical literature written about the process of yawning,
but it certainly is something we all do at one time or another
Now, a yawn
is not simply opening the mouth wide, but is usually accompanied by a deep
inspiration, filling the lungs fully with air
That circumstance has lead to
a theory that yawning has something to do with the physical state of our lungs
at the time the yawn comes along
As we all know, the lung is filled with
millions of minute air sacs called “alveoli” where oxygen is taken out of the
air and transferred into the blood stream, for transportation to all the cells
of the body
After we have been sitting for a prolonged period of time,
perhaps in a slumped position, some of the air sacs collapse
When enough of
them have been affected, the lung can not function as it should and so we yawn
to re-expand all of the lung tissue once again
If we search for a logical
reason for everyone yawning at the same time, it might be because they are all
doing the same thing, sitting in a room with stale air, watching a show or
television, not exerting themselves too much, a time when shallow breathing
sets in
Therefore, it could be speculated that they would all need to yawn
at the same time
Of course, it has also been written that yawning can be
induced by the power of suggestion, and we sort of “catch” it from the next
person
Or it could just mean the show was boring and the yawn was a display
of disinterest
Now take a deep breath and take your pick.

The material contained here is “FOR INFORMATION ONLY” and should not replace
the counsel and advice of your personal physician
Promptly consulting your
doctor is the best path to a quick and successful resolution of any medical
problem.

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