Basically, as I understand it, when you eat food it goes through your stomach and then it travels through your bowels where the nutrients and water get gradually absorbed along the way. Coffee, as I understand it, stimulates the muscles in the bowels and causes the contents to move through the intestines more quickly. So if drinking coffee means that food will spend less time in the intestines, does that mean that less nutrients will be absorbed from the food than if no coffee was consumed?
I drink entirely too much coffee, and if I don’t be sure to drink plenty of water on top of it I’ll get constipated. It’s almost like the coffee dries me out or something. I had a chemo nurse tell me how important it was to stay hydrated during my treatments and when I told her I drink several cups of coffee a day, she scolded me and said In that case, I need the water even more. I followed her advice and since then I’ve gotten more regular. I used to think it was just normal for me to crap once every three days, but now I go every day and feel better too…
It’s a diuretic. Of course this happens to you.