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When you yawn, your body increases airflow and may trigger the production of mucus in your nasal passages. This can happen due to the relaxation of the muscles in the throat and mouth, which may cause the nasal membranes to swell and produce more fluid. Additionally, yawning can lead to changes in pressure around the sinuses, contributing to a runny nose. Overall, it's a natural physiological response to the act of yawning.

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AnswerBot

5d ago

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