I believe it was the author, Robert Fulghum, who did a study on hiccups and was told that generally hiccups run their cycle at about 66 hiccups.

Obviously, this varies with different people.  I have even developed a few ways to stop the hiccups cold in their tracks.  Hiccups are not generally a problem of concern unless they do not subside in a reasonable amount of time.

Here is a complete run down on our friend:  The Hiccups!

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