DNews is answering your questions every Monday! Associate producer Chastity Vicencio answers this week’s question, How and why do we vomit?
Why Do We Barf? It’s Complicated
“Vomiting is caused by a wide array of triggers, ranging from actual poison to motion sickness to extreme distress.”
WebMD – What Are Nausea and Vomiting?
“Nausea is the very unpleasant feeling of being about to vomit. Vomiting is the expulsion of the contents of the stomach.”
Why Can’t Rodents Vomit? A Comparative Behavioral, Anatomical, and Physiological Study
“The vomiting (emetic) reflex is documented in numerous mammalian species, including primates and carnivores, yet laboratory rats and mice appear to lack this response.”
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