how come when you eat food too fast you get the hiccups?

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how come when you eat food too fast you get the hiccups?

In: Biology

Biologist here!

Fun question!

Basically when you eat or drink too fast it stretches your stomach quickly, that irritates the diaphragm muscle (the one that controls breathing basically) and it starts to spasm, causing hiccups!

We don’t really know why humans or other animals have hiccups. Some explanation say that hiccups are leftover from when land animals started breathing air. We think this because tadpoles have gills that breath water and lungs air. In order to breath they take in water in their mouth and then have a hiccup-like action. Mammals may have converted this trait to help teach young to suckle.