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Why does pepper make us sneeze?

Sep 2, 2015 17:23 IST

    Q. Why does pepper make us sneeze?

    Ans. Pepper contains an alkaloid of pyridine called piperine that gives the pepper its flavour. Piperine, when gets into the nostrils, irritates the nerve endings inside the mucous membrane which cause the brain to trigger the muscles inside the nose and throat to kick out the foreign particles by the action of sneezing.

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