Yawning may in fact reduce oxygen intake compared to normal ... Guttmann and
Dopart determined that a yawn causes one of ...
Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea that
yawning ... 23, 2011-- Why do we yawn? .... MS Symptoms & Causes.
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 ...
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
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.
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: ...
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.
Sep 30, 2013 ... Yawning Excessively Information Including Symptoms, Diagnosis, Treatment,
Causes, Videos, Forums, and local community support.
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
Apr 14, 2014 ... “One reason my enthusiasm for studying contagion diminished is because
everything causes yawning,” Provine says. (Are you yawning yet?).