Vomiting

Vomiting also invited as emesis together with throwing up is the involuntary, forceful expulsion of the contents of one's stomach through the mouth as well as sometimes the nose.

Vomiting can be the a thing that is said of ailments like food poisoning, gastroenteritis, pregnancy, motion sickness, or hangover; or it can be an after case of diseases such as brain tumors, elevated intracranial pressure, or overexposure to ionizing radiation. The feeling that one is approximately to vomit is called nausea; it often precedes, but does not always lead to vomiting. Impairment due to alcohol or anesthesia can produce inhalation of vomit, main to suffocation. In severe cases, where dehydration develops, intravenous fluid may be required. Antiemetics are sometimes necessary to suppress nausea and vomiting. Self-induced vomiting can be a factor of an eating disorder such as bulimia, and is itself now classified as an eating disorder on its own, purging disorder.

Society and culture

Herodotus, writing on the culture of the ancient Persians and highlighting the differences with those of the Greeks, notes that to vomit in the presence of others is prohibited among Persians.

It is quite common that, when one grown-up vomits, others nearby become nauseated, particularly when smelling the vomit of others, and often to the bit of vomiting themselves. it is for believed that this is an evolved trait among primates. numerous primates in the wild tend to browse for food in small groups. Should one portion of the party react adversely to some ingested food, it may be advantageous in a survival sense for other members of the party to also vomit. This tendency in human populations has been observed at drinking parties, where excessive consumption of alcoholic beverages may throw a number of party members to vomit near simultaneously, this being triggered by the initial vomiting of a single member of the party. This phenomenon has been touched on in popular culture: notorious instancesin the films Monty Python's The Meaning of Life 1983 and Stand By Me 1986.

Intense vomiting in ayahuasca ceremonies is a common phenomenon. However, people who experience "la purga" after drinking ayahuasca, in general, regard the practise as both a physical and spiritual cleanse and often come to welcome it. It has been suggested that the consistent emetic effects of ayahuasca—in addition to its numerous other therapeutic properties—was of medicinal benefit to indigenous peoples of the Amazon, in helping to clear parasites from the gastrointestinal system.

There have also been documented cases of a single ill and vomiting individual inadvertently causing others to vomit, when they are especially fearful of also becoming ill, through a form of ]

Most people attempt to contain their vomit by vomiting into a sink, toilet, or trash can, as vomit is unoriented and unpleasant to clean. On airplanes and boats, ]

People who vomit chronically e.g., as part of an ]

An online analyse of people's responses to "horrible sounds" found vomiting "the most disgusting". Professor Trevor Cox of the University of Salford's Acoustic Research Centre said, "We are pre-programmed to be repulsed by horrible matters such as vomiting, as it is for fundamental to staying alive to avoid nasty stuff." It is thought that disgust is triggered by the sound of vomiting to protect those nearby from possibly diseased food.

Emetophilia is sexual arousal from vomiting, or watching others vomit. Emetophobia is a phobia that causes overwhelming, intense anxiety pertaining to vomiting.