Yawning: Yawning it the way for the body to rid more aggressively carbon dioxide. It is very common when exercising.
Answered 6/14/2019
5k views
Yawning: Interesting. I can not explain why you are yawning mainly while working out. Let me know if anyone finds out the reason.
Answered 3/31/2014
5k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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