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 When fasting for blood work is it OK to drink water?
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 I just got bit by a black widow, should i go to the doctor or just let time heal it?
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 Pierced my own ear with a needle. Need urgent help!?
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Additional Details
D...

don't assume that ...


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 I have an eraser stuck in my ear?
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 I got stung by a bee two days ago! Help!?
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LH7784
Why can't I stop yawning? I am NOT tired!!!?
                     




lala4926
Rating
i heard that yawning was contagious. maybe people around you are yawning.


victornope
u know what the moment i read ur question as i was roaming around i read urs and started yawning now i cant stop jus thinking about it makes me yawn i think yawning is contagious


Kaptain Kyle
You're not getting enough oxygen. Try to regulate your breathing more. I have the same problem. I just kinda space out and find myself breathing less.


renebkris
Rating
Your brain isnt getting enough oxygen. Try taking deeper breathes and relaxing more. Or maybe your not getting enough exercise, try running a while or doing physcial activity.


Skinny Kid
you might be cold...thats wat happens to me


cutiepie81289
Rating
yawning is a way to get extra oxygen to your brain.


renasmiles77
That is because you are getting short of breathe and that means that your brain is not getting enough oxygen. try to exersize and get your heart pumping that helps me out.My doctor told me that.


onelove
Take some deep breaths and try sleeping more hours


777
Maybe you dont sleep well.


longjohn
Rating
Get off your butt and do something like I'm fix'en to do !! Do something different, turn on some good music and start singing !!!


meanie
take a couple of really deep breaths ... your body is telling you it wants more oxygen.


LittleCat
Rating
THE TRUTH IS that we don’t completely understand why people, or animals for that matter, yawn.

It’s widely assumed that yawning occurs because we are tired or bored or because we see someone else doing it, but there isn’t any hard evidence to support these beliefs.

Scientists do not purport to know all of the biological mechanisms of the yawn, but tend to agree that a yawn is an involuntary respiratory reflex, which regulates the carbon dioxide and oxygen levels in the blood.

Technically, a yawn is the reflex opening of the mouth followed by the deep inhalation and slow exhalation of oxygen.

The very act of yawning is but one of a number of involuntary reflexes controlled by the spinal and nerve centers.

Scientists speculate that the onset of a yawn is triggered either by fatigue, or by sheer boredom as, at those times, breathing is shallow, and little oxygen is carried to the lungs by the oxygen-toting cardiovascular system.

When one yawns, his or her alertness is heightened, as the sudden intake of oxygen increases the heart rate, rids the lungs and the bloodstream of the carbon dioxide buildup, and forces oxygen through blood vessels in the brain, while restoring normal breathing and ventilating the lungs.

This quite plausible theory of yawning falls short of explaining many aspects of yawning. Scientists explain away the "contagious" nature of yawning, that is when one person's yawn triggers another nearby to yawn, as due to the power of suggestion, but are at a loss when attempting to explain why yawning occurs excessively in patients with lower brainstem damage or with multiple sclerosis.

Other unlocked mysteries include why fetuses in the womb yawn, when it is a well-known fact that they do not intake oxygen into their lungs until after live birth, or why individuals with high concentrations of oxygen in their blood streams yawn.

Until these questions are answered, do not assume that a person who yawns in your presence is bored with what you are saying, or suffers from exhaustion. Simply be pleased that he or she is not bored to death.


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