The urge to poop occurs when your rectum fills up, triggering receptors in the anus to signal the brain: go poop. The longer the stool sits in the rectum, the more water is absorbed from it, making it ...

When you gotta go, you gotta go. While some foods are known to trigger a No. 2 bathroom situation (like figs and kiwis), it isn’t totally normal to have to poop after you eat every single time. "This ...