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Yawn

en.wikipedia.org/wiki/Yawn

A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the ... In humans, yawning is often triggered by others yawning (e.g., seeing a person yawning, talking to s...

Why We Yawn - WebMD

www.webmd.com/brain/news/20110923/why-we-yawn

Sep 23, 2011 ... All humans yawn. So do most vertebrate animals. Surely it serves some useful function. But what that might be has puzzled scientists ...

What makes us yawn? | HowStuffWorks

science.howstuffworks.com/life/inside-the-mind/human-brain/question572.htm

Next time you're in a meeting, try this little experiment: Take a big yawn, cover your mouth out of courtesy and watch to see how many people follow suit. There's ...

Facts About Yawning: Why We Do It, Why It's Contagious And More ...

www.huffingtonpost.com/2013/06/10/facts-yawning-why-we-yawn-contagious_n_3398301.html

Jun 10, 2013 ... The study found that people were more likely to yawn during the winter, when the exterior air is obviously cooler, than in the summer, when ...

The Surprising Science of Yawning - The New Yorker

www.newyorker.com/science/maria-konnikova/the-surprising-science-of-yawning

Apr 14, 2014 ... Yawning is one of the first things we learn to do. ... Amsterdam, has discovered that the human fetus yawns during its first trimester in the womb.

Excessive Yawning and What You Can Do About It - Healthline

www.healthline.com/symptom/excessive-yawning

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 ...

BBC - Future - One of science's most baffling questions? Why we yawn

www.bbc.com/future/story/20140811-warning-this-may-make-you-yawn

Aug 12, 2014 ... Eventually, it is all I can think about – but how can I stop myself from yawning? Provine tells me this often happens when people are talking to ...

Why do we yawn? Nothing to do with boredom - we're just cooling ...

www.independent.co.uk/news/science/why-do-we-yawn-nothing-to-do-with-boredom-were-just-cooling-our-brains-say-scientists-9356468.html

May 12, 2014 ... Researchers found that subjects watching a video of people yawning were 41 per cent likely to yawn themselves when holding warm pack to ...

Why Do We Yawn - Why What How of Human Body - Pediatric Oncall

www.pediatriconcall.com/kidscorner/whywhat/Why_yawn.aspx

Kids Corner - Read About Why Do We Yawn On Pediatric Oncall.

www.ask.com/youtube?q=Why Do Humans Yawn?&v=I0dQx4SNSwE
Mar 12, 2014 ... Watch the 'Yawn-O-Meter': http://bit.ly/1qwFDrx SUBSCRIBE: ... empathy for humans, and I have Aspergers, so why do I still yawn when others ...
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The Real Reason We Yawn - WSJ

www.wsj.com

Aug 19, 2014 ... Our tendency to yawn when other people yawn has long been incorrectly explained as primarily an expression of a person's empathy.

Why Do I Yawn? - KidsHealth

kidshealth.org

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 for ...

Why Do We Yawn and Why Is It Contagious? | Science | Smithsonian

www.smithsonianmag.com

Jun 28, 2013 ... Humans yawn from their earliest days–even babies still inside the womb can yawn. Photo by Flickr user Björn Rixman. Snakes and fish do it.