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.
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
Aug 19, 2014 ... Yawning tends to occur more in summer. Most people yawn upon seeing
someone else do it, but infants and people with autism or ...
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 ...
Aug 12, 2014 ... And then you can ask people to experiment on their yawns – like closing the ...
has tried to explore a millennia-old mystery: why do we yawn?
Jan 22, 2015 ... Throughout the ages, people have wondered and invented explanations – some
reasonable and some quite far-fetched – as to why we yawn, ...
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 ...
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 ...