In most cases, the presence of toxins in food can cause nausea and vomiting. These are bodily defenses aimed at minimizing the duration of exposure to the toxin. The pathways by which the brain ...

Nausea is a universally unwelcome feeling, but despite such widespread aversion, very little has been learned about the mechanism that causes an organism to vomit. That’s now changed with a report ...

How do our bodies recognize the ingestion of unwanted bacteria and initiate vomiting? If you experience emetophobia (the fear of vomiting), it might be best to skip this article – or grab a bucket. A ...

The urge to vomit after eating contaminated food is the body’s natural defensive response to get rid of bacterial toxins. Researchers headed by a team at the National Institute of Biological Sciences ...

The human emetic response -- more commonly known as hurling, puking, ralphing, upchucking, or vomiting -- is a fairly simple process. In the retching phase, the abdominal muscles and the diaphragm ...