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:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
Recommend this page on Facebook, Twitter,
and Google +1:
Other bookmarking and sharing tools: