Defensive vomiting refers to the use of emesis by animals to defend against ingested pathogens or against predators. == In humans == Vomiting serves an evolutionary purpose for humans by preventing the ingestion of something harmful, and by expelling noxious substances once ingested.
Defensive vomiting refers to the use of emesis by animals to defend against ingested pathogens or against predators. == In humans == Vomiting serves an evolutionary purpose for humans by preventing the ingestion of something harmful, and by expelling noxious substances once ingested.
Source: Wikipedia "Defensive vomiting" · CC BY-SA 4.0
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