21.   In most of these cases the real culprits are excess stomach acid or spasms in the esophagus.

22.   It is also myth that stomach acid helps us digest our food.

23.   Ironically, some tablets for reducing stomach acid and gas contain lactose, according to the American Gastrointestinal Association.

24.   Mild-mannered Tums neutralizes stomach acid, but Tagamet HB stops it before it starts.

25.   Normally, stomach acid is an effective barrier to infection by food-borne pathogens because the organisms die in an acid environment.

26.   Once it is completely swallowed, the virus is inactivated by stomach acid, and must therefore do its work on the way down.

27.   Please remain seated until your stomach acid has returned to normal and the captain has turned off the no-panic sign.

28.   Reflux disease results not from an excess of stomach acid but from improper functioning of the muscular sphincter that separates the esophagus from the stomach.

29.   She also takes Prilosec, which relieves the high levels of stomach acid, a result of the E. coli burning out her stomach lining.

30.   Some of the newly discovered genes appear to make enzymes that protect it from being digested by stomach acids.