While hiccups are usually harmless and don't last long in most people, some individuals can experience them chronically.

There is nothing quite as annoying and embarrassing as hiccups especially when they go on for a long period of time. Hiccups are basically involuntary contractions of the diaphragm muscles.

Hiccups occur when the thin layer of muscle ... the doctor recalled a case published the previous year in which a 71-year-old woman’s racing heartbeat had been slowed down by a doctor inserting ...

There are lots of myths about hiccups - from peculiar causes to stories about people who’ve had them for several years. But are there any truths to the myths? And what are hiccups a sign of?