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 ... The most recent research on yawning suggests that it exists to cool down the
brain. That open-mouthed yawn causes sinus walls “to expand ...
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
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 ...
If you yawn in class, you'll probably notice a few other people will start yawning,
too. ... What Causes Hiccups? ... But why, exactly, do people and animals yawn?
May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do with
tiredness or boredom, but actually works in order to cool down our ...
Jan 31, 2015 ... Read our article and learn more on MedlinePlus: Yawning ... You may need tests
to look for medical problems that are causing the yawning.
Nov 16, 2011 ... "Seeing a person yawn triggers yawns. Reading about yawning causes yawns.
Sitting in a room thinking about yawning triggers yawning," he ...
Jun 28, 2013 ... Pinpointing exactly why we yawn is a tough task, but the latest research suggests
that our sleepy sighs help to regulate the temperature of our ...