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Yawn - Wikipedia


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

Why We Yawn - WebMD


Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea that yawning ... 23, 2011-- Why do we yawn? .... MS Symptoms & Causes.

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


Jun 10, 2013 ... But unlike sleep apnea or laptops in the bedroom, yawning is an aspect of ... That open-mouthed yawn causes sinus walls "to expand and ...

What makes us yawn? | HowStuffWorks


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  ...

Why Are Yawns Contagious? | Mental Floss


Jun 11, 2015 ... Yawning feels good, so why not join in when someone else yawns? Well, you're not .... Scientists Find Non-Gluten Cause of Wheat Sensitivity.

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


Sep 6, 2015 ... Wondering what could be causing that excessive yawning? Here are eight conditions that could be the reason for it. Fatigue or drowsiness: ...

Why do we yawn when we are tired? And why does it seem to be ...


Aug 12, 2002 ... You are correct in thinking that yawns are catching. ... the PVN activate cells of the brain stem and/or hippocampus, causing yawning to occur.

Yawning Excessively - Symptoms, Causes, Treatments - Healthgrades


Sep 30, 2013 ... Yawning Excessively Information Including Symptoms, Diagnosis, Treatment, Causes, Videos, Forums, and local community support.

Why Do I Yawn? - KidsHealth


Everybody yawns — from unborn babies to the oldest great-grandparent. Animals do it, too. But why, exactly, do people and animals yawn? No one knows for ...

The Surprising Science of Yawning - The New Yorker


Apr 14, 2014 ... “One reason my enthusiasm for studying contagion diminished is because everything causes yawning,” Provine says. (Are you yawning yet?).

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Excessive Yawning and What You Can Do About It - Healthline


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

The Real Reason We Yawn - WSJ


Aug 19, 2014 ... Although all yawns look the same, they appear to have many different causes and to serve a variety of functions. Yawning is believed to be a ...

Yawning - excessive: MedlinePlus Medical Encyclopedia


Read our article and learn more on MedlinePlus: Yawning - excessive. ... You may need tests to look for medical problems that are causing the yawning.