Why Holding in a Sneeze Can Be Dangerous

Most researchers believe that sneezing helps clear irritants and things like viruses out of our systems by propelling them at around 100 miles-per-hour out of our noses and mouths.
 Sneezing might be a social cue to others that you’re sick and to stay away.
Past research also suggests that the blast of air created by sneezing signals the cilia in our noses to kick into overdrive and clear out mucus and irritants.
 Whatever the cause it’s best to let your sneezes out. Just try to do it politely.
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