Yawning: Yawning is associated with Tiredness, Boredom, Stress, overworking. See which one is causing yours! Although there is other serious reasons for yawning like Stroke, brain tumor, etc but I doubt it in your case (no other symptoms).
Answered 7/25/2014
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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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