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Why Do We Vomit?

DNews is answering your questions every Monday! Associate producer Chastity Vicencio answers this week’s question, How and why do we vomit?

Read More:
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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