Vomiting (or emesis) is the forceful expulsion of the contents of one's stomach through the mouth.
Although it probably evolved as a mechanism for expelling ingested poisons, vomiting may result from many causes not related to poisoning.
For more information about the topic Vomiting, read the full article at Wikipedia.org, or see the following related articles:
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Vomiting at Wikipedia.org. See the Wikipedia copyright page for more details. Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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