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Old 11-14-2015, 06:35 PM
Mark in Idaho Mark in Idaho is offline
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Mark in Idaho Mark in Idaho is offline
Legendary
 
Join Date: Feb 2009
Location: Somewhere near here
Posts: 11,427
15 yr Member
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The literature says yawns are complex. Failure to complete or feel the completion of a yawn can relate to some PCS symptoms. It can relate to anxiety issues, anhedonia, and others.

What is your concern ?
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troublehead (11-15-2015)