One study states that yawning occurs when one's blood ... Guttmann and Dopart
determined that a yawn causes one of three ...
Sep 23, 2011 ... Yawn theorists split into two camps. Like Gallup, one side says yawning must
have a physiological cause, and a physical benefit. The other ...
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 ...
Aug 19, 2014 ... Yawns are contagious, but they keep the brain working in peak form ... Stress and
anxiety also cause our brains to get hotter, and yawning ...
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: ...
Apr 14, 2014 ... “One reason my enthusiasm for studying contagion diminished is because
everything causes yawning,” Provine says. (Are you yawning yet?).
May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do with ...
Teenager dies from stroke caused by love bite from his girlfriend ...
Sep 30, 2013 ... Yawning Excessively Information Including Symptoms, Diagnosis, Treatment,
Causes, Videos, Forums, and local community support.
Aug 16, 2013 ... Vasovagal reaction is the scientific term for excessive yawning. The reaction is
caused by the action of a nerve, appropriately called the vagus ...
Jun 5, 2016 ... Many agree that yawning is a reflexive deep inhalation caused by decreased
oxygen levels in the blood, and is most often associated with ...