A sneeze is an uncontrollable, sudden, and sometimes loud emission of air through the nose and mouth. Although it is a common occurrence, the medical community knows very little about sneezing. What they do know is that sneezing — or sternutation — is not only a reflexive act but a protective one. Specific environmental triggers lead to sneezing, as do specific causes originating in the central nervous system. Everyone has their own sneezing pattern, which is as individualistic as their fingerprints.
Sneezing is a reflex that protects the nose from foreign objects, preventing access to the lungs and other organs. There are two phases:
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