A member asked:

I yawn a lot during cardio exercise, more than any other time. any idea why?

7 doctors weighed in across 2 answers
Dr. Robert Killian answered

Specializes in General Practice

Yawning: Yawning it the way for the body to rid more aggressively carbon dioxide. It is very common when exercising.

Answered 6/14/2019

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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

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