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Yawn - Wikipedia

en.wikipedia.org/wiki/Yawn

Yawning may in fact reduce oxygen intake compared to normal ... Guttmann and Dopart determined that a yawn causes one of ...

Why We Yawn - WebMD

www.webmd.com/brain/news/20110923/why-we-yawn

Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea that ... Manage Your MS Symptoms; Causes of Pins & Needles Feeling ...

Excessive Yawning and What You Can Do About It - Healthline

www.healthline.com/health/yawning-excessive

Feb 29, 2016 ... Excessive yawning is yawning that occurs frequently, sometimes without any apparent reason. Learn about possible causes and treatments for ...

Facts About Yawning: Why We Do It, Why It's Contagious And More ...

www.huffingtonpost.com/2013/06/10/facts-yawning-why-we-yawn-contagious_n_3398301.html

Jun 10, 2013 ... The most recent research on yawning suggests that it exists to cool down the brain. That open-mouthed yawn causes sinus walls “to expand ...

8 reasons for excessive yawning you probably didn't know about ...

www.thehealthsite.com/diseases-conditions/reasons-for-excessive-yawning-p915/

Sep 6, 2015 ... We don't always yawn only when we are tired, it may be due to bigger health ... Wondering what could be causing that excessive yawning?

Yawning Excessively - Symptoms, Causes, Treatments - Healthgrades

www.healthgrades.com/symptoms/yawning-excessively

Oct 26, 2016 ... Yawning Excessively Information Including Symptoms, Diagnosis, Treatment, Causes, Videos, Forums, and local community support.

Yawning Excessively - Symptoms, Causes, Treatments - Causes

www.healthgrades.com/symptoms/yawning-excessively--causes

Oct 26, 2016 ... Yawning Excessively Information Including Symptoms, Diagnosis, Treatment, Causes, Videos, Forums, and local community support.

What Causes A Yawn? - SymptomFind.com

www.symptomfind.com/health/what-causes-a-yawn/

At least, that's what you may be thinking. But the contagious yawning theory is just one of many attempts to explain what causes a yawn. The truth is, the reasons ...

What makes us yawn? | HowStuffWorks

science.howstuffworks.com/life/inside-the-mind/human-brain/question572.htm

So what's behind this mysterious epidemic of yawning? First, let's look at what this bodily motion is: Yawning is an involuntary action that causes us to open our  ...