Caused by contractions of your diaphragm, hiccups are usually harmless. But rarely, hiccups may be a sign of an underlying medical problem.
Hiccups are sudden contractions of the diaphragm muscles, involuntarily. Causes of hiccups include eating or drinking too, medications, and medical conditions.
Everyone's had them, but do you know where hiccups come from? Learn why they happen, 10 possible.