title_body: Does coffee make you poop?
upvoted_answer: I found this: 
  "Caffeine within coffee can act as a stimulant, which might induce bile production that increases bowel movements. And some artificial sweeteners, and lactose, may have a laxative effect."
  
  From: https://iffgd.org/lower-gi-disorders/diarrhea/common-causes.html