Why Does Pepper Make You Sneeze?

Answer

Pepper makes one sneeze out because it contains an alkaloid of pyridine called piperine which acts as an irritant. This chemical stimulates the nerve endings present in the mucous membrane and as a result you end up sneezing.
1 Additional Answer
Pepper makes you sneeze because of the piperine that is in it that irritates the nose. When you sneeze it clears the nasal passages of the irritant. Pepper goes back to prehistoric times and was one of the exports 4, 000 years ago from India. You can find more information here: http://www. wisegeek. com/why-does-pepper-make-you-sneeze. htm
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