The mathematical model is a computer simulation that shows how muscles in the throat and esophagus move when we swallow.

Hatty Willmoth is a Newsweek food and nutrition reporter based in London, U.K. She has covered special diets, gut health and functional medicine extensively. Hatty joined Newsweek in 2024 from the ...

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For most people, swallowing is second nature, but how does it occur, and why do some people have difficulty with it?