https://www.iflscience.com/hammans-crunch-a-man-covered-his-nose-and-mouth-whilst-sneezing-and-ended-up-in-hospital-80713
The "popping sensation" he felt is why you shouldn't cover your nose and your mouth while you sneeze.
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https://www.bydewey.com/drkpiggy.html
Dr. Peter W. Kujtan gives the facts on swine flu, influenza, vaccines and flu shots and how subliminal fear is created amongst us by the media.
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