• Question: what causes you to vomit?

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      Asked by morris to Nikki on 14 Mar 2016.
      • Photo: Nikki D'Arcy

        Nikki D'Arcy answered on 14 Mar 2016:

        Hey morris.

        I think I answered your question about what makes you sick. Maybe that’s what you meant there? So I touched on vomit then… Basically we have a vomit centre in our brain! I know! How cool?!?! Infections or chemicals can irritate the gut, meaning that messages are sent to the brain, causing your muscles to contract and you vomit. This evolved to try to get rid of anything causing you harm. This can also happen if you’re stressed but in this case, other parts of the nervous system send messages to the brain. And with motion sickness too