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...
Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea that
yawning cools the brain. ... Sept. 23, 2011-- Why do we 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
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 ...
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 ...
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 ...
Discovery News states that people begin yawning after other people do at about
4 years of age. People with severe autism never pick up contagious yawning, ...
There are multiple theories as to why people yawn in response to seeing others
yawn. One theory is that contagious yawning is a result of the power of ...