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Why Do We Yawn? - WebMD
Mar 15, 2024 · You might yawn while exercising because your brain needs cooling to stay alert and active for your workout, or perhaps the alveoli (tiny air sacs) in your lungs need more …
Yawning Causes & Treatment - Cleveland Clinic
Oct 16, 2023 · Scientists have several theories for why we yawn, but none of them are certain. Common triggers of yawning include tiredness, boredom, waking up and stress. Seeing or …
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