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Why do we hiccup??


Answers: A hiccup or hiccough is an involuntary spasm of the diaphragm; typically this repeats several times a minute. The sudden rush of air into the lungs causes the glottis to close, creating the hic noise.
Hiccups are known to develop often in specific situations, such as eating too quickly, taking a cold drink while eating a hot meal, eating very hot or spicy food, laughing vigorously or coughing, or drinking an excess of an alcoholic beverage. Hiccups may be caused by pressure to the phrenic nerve by other anatomical structures, or rarely by tumors.
The diaphragm (a large muscle between your chest and abdomen) contracts, usually caused by irritating a nerve called the vagus nerve.


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