ELI5: If food takes 6-8 hours to fully digest and make it to the small intestine, how come food you eat now affects the qualities of feces from food eaten 8 hours ago (i.e. having to use the toilet soon after eating)? Submitted by [deleted] t3_11dee0q on February 27, 2023 at 3:21 PM in explainlikeimfive 10 comments 43
gandalf239 t1_ja83jrw wrote on February 27, 2023 at 3:30 PM Peristalsis is frankly an amazing process. I believe the same phenomenon occurs after eating a large meal as well, e.g., as with the spicy foods you mentioned that feeling of fullness can stimulate the bowels to move. Permalink 6
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