Question

why is diarrhea called the runs?
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Answer 1

explaination : Terminology. The word diarrhea is from the Ancient Greek from dia "through" and ῥέω rheo "flow". Diarrhea is the spelling in American English, whereas diarrhoea is the spelling in British English. Slang terms for the condition include "the runs", "the squirts" (or "squits" in Britain) and "the trots".