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What your heart actually does when you sneeze

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The dramatic myth that your heart totally stops when you sneeze is slightly exaggerated but rooted in frightening reality. The massive shift in chest pressure triggers the vagus nerve, which violently alters your heart rhythm and delays the next beat. You aren't dying, but your body is hitting the internal pause button just to aggressively launch snot out of your face.

What your heart actually does when you sneeze
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