The Bristol stool scale is a diagnostic medical tool designed to classify the form of human feces into seven categories. It is used in both clinical and experimental fields. It was developed at the Bristol Royal Infirmary as a clinical assessment tool in 1997.
It is widely used as a research tool to evaluate the effectiveness of treatments for various diseases of the bowel, as well as a clinical communication aid; including being part of the diagnostic triad for irritable bowel syndrome.
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The Daily Omnivore 