Have you ever finished a meal only to suddenly feel the urgent need to use the bathroom? This is more common than most people realize, and contrary to what some might think, it doesn’t mean your digestive system is “too fast” or broken. In fact, it’s a normal reflex showing that your body is functioning as it should.
When you eat, your stomach stretches to accommodate the incoming food. This expansion triggers a communication loop between your stomach and your brain. The brain then signals your colon to contract and make room for what’s coming next. This process is called the gastrocolic reflex. It can prompt the sudden urge to pass stool — not from the meal you just ate, but from food already being processed in your system for hours or even days.
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