Why Some People Feel the Urge to Use the Bathroom Immediately After Eating Have you ever finished a meal only to feel the sudden urge to head straight to the bathroom? You’re not alone — and no, it doesn’t necessarily mean something is wrong. This common experience has a scientific explanation and even a name: the gastrocolic reflex. — What Is the Gastrocolic Reflex? The gastrocolic reflex is a normal, natural bodily response that happens when food enters your stomach. As your stomach stretches, it sends signals to your colon (large intestine) to make room for the incoming meal by...
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