Why Do We Close Our Eyes When We Sneeze?


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Transcript: The sneeze reflex is pretty powerful. It propels particles out of your nose and mouth at highway speeds. Connected to this reflex are the muscles in and around your eyelids. Sneeze comes out, eyes go shut. Scientists aren’t 100 percent sure why this is. Popular speculation is that it’s a defense mechanism. Your body is expelling some nasty stuff. The last thing you need is for your eyes to be exposed to it. It’s your body’s way of saying … “get out and stay out!”

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