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Stats: 1062320 members, 1234434 topics. Date: Wednesday, 22 May 2013 at 11:19 PM
|Why Do We Yawn? by 9jamum(f): 11:22am On Nov 26, 2011|
Is it because one is being tired, bored or oxygen deprived, or low temperature of the brain?
What is excessive yawning?
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