Chances are you’ve experienced nausea at some point in your life. Nausea can be triggered by many things like the flu, food poisoning, or even motion sickness. But what actually is nausea? We all know the feeling, of course: the sour stomach that leaves you hovering over your toilet heaving up whatever you ate most recently—an unpleasant description for an equally unpleasant situation.
The science behind nausea is crazy, and my inner nerd could write a book with all the information out there on the mechanism of queasiness. Your body is an intricate web, and all its parts are artfully interwoven, with each system responsible for a specific role yet also working together toward the common goal of keeping you as healthy as possible. Here’s exactly what you need to know when it comes to nausea and your body, for the next time that familiar queasiness starts to creep up: