Web Results

en.wikipedia.org/wiki/Yawn

Yawning may in fact reduce oxygen intake compared to normal ... Guttmann and Dopart determined that a yawn causes one of ...

www.healthline.com/symptom/excessive-yawning

Feb 29, 2016 ... Yawning is a mostly involuntary process of opening the mouth and breathing in deeply, filling the lungs with air. It is a very natural response to ...

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

Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea that yawning cools the brain. ... Why We Yawn. Yawning Cools Brain, Study Suggests , but Is Yawning Really a Social Cue? .... MS Symptoms & Causes.

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

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 ...

medlineplus.gov/ency/article/003096.htm

Jan 26, 2017 ... Read our article and learn more on MedlinePlus: Yawning - excessive. ... called the vagus nerve), caused by heart attack or aortic dissection ...

www.medicalnewstoday.com/articles/318414.php

There is no definitive reason for a yawn yet. ... A yawn causes a big intake of air and a faster ...

www.psychologytoday.com/blog/brain-sense/201111/why-do-you-yawn-when-youre-not-sleepy

Nov 16, 2011 ... "Seeing a person yawn triggers yawns. Reading about yawning causes yawns. Sitting in a room thinking about yawning triggers yawning," he ...

www.medicinenet.com/yawning/symptoms.htm

Sep 5, 2017 ... Learn about the diseases and conditions that may cause yawning. Other symptoms and signs associated with yawning include sleepiness and ...

www.thehealthsite.com/diseases-conditions/reasons-for-excessive-yawning-p915

Sep 6, 2015 ... We don't always yawn only when we are tired, it may be due to bigger health ... Wondering what could be causing that excessive yawning?