Video of a yawning fetus at 30 weeks of pregnancy ... few theories that attempt to
explain the primary evolutionary reason for the yawn. ... Yawning behavior may
be altered as a result of medical is...
Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea ... Now a
series of experiments suggests a surprising reason for yawning. ... a more
detailed anatomical description of the process in the medical literature.
Medical Encyclopedia → ... Excessive yawning that happens more often than
expected, even if drowsiness or ... Follow the treatment for the underlying cause.
Sep 30, 2013 ... Seek prompt medical care if you are experiencing excessive yawning, as it could
be a symptom of a more serious disease or condition.
Aug 15, 2012 ... The following conditions may cause excessive yawning: .... A stroke (a "brain
attack") is a medical emergency in which part of the brain is ...
Aug 19, 2014 ... WSJ's Jonathan Rockoff and evolutionary psychologist Dr. Andrew Gallup
explain reasons behind the yawn on Lunch Break with Tanya Rivero.
Aug 16, 2013 ... We yawn when we're on a plane and our head feels like it's about to explode
from the inside. Yawning... ... Medical Reasons for Yawning.
May 13, 2013 ... When I was in medical school, one of my teachers speculated that yawning was a
response to low oxygen or high carbon-dioxide levels.
Keep in mind that sometimes, yawning all the time is a sign of a serious
underlying condition. Medical conditions that cause a vasovagal reaction can
lead to ...