A yawn is a reflex consisting of the simultaneous inhalation of air and the
stretching of the .... A 2007 study found that young children with autism spectrum
disorders do not increase their yawning...
People yawn more easily in cooler temperatures, supporting the idea that
yawning cools the brain. ... Sept. 23, 2011-- Why do we yawn? All humans yawn.
Why do people blush? Why are humans altruistic? ... Now that we know what a
yawn is, let's look at what causes us to do it. On the next page, we'll discuss four ...
Feb 29, 2016 ... Learn about possible causes and treatments for excessive yawning. ... Obesity is
an epidemic in the U.S. This condition puts people at a higher ...
Apr 14, 2014 ... Yawning is one of the first things we learn to do. ... the eighties and nineties,
Provine demonstrated that people report yawning more frequently ...
May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do ... a video
of people yawning were 41 per cent likely to yawn themselves ...
Jun 28, 2013 ... In a 2007 study, Gallup found that holding hot or cold packs to the forehead
influenced how often people yawned when they saw videos of ...
Aug 12, 2014 ... If that were true, you would expect people to yawn more or less ... Yet we also
yawn during times of stress: Olympic athletes often do it before a ...
Nov 16, 2011 ... Despite what you may have heard, yawning has nothing to do with ... why some
people are more susceptible to contagious yawning than ...
Sep 6, 2015 ... We don't always yawn only when we are tired, it may be due to bigger ... While
the exact mechanism of why we do this is yet unknown, yawning when you ... The
study also stated that people suffering from multiple sclerosis ...