Why You Might Need to Poop Right After Eating

a cranial nerve that connects the brain to the digestive system. The vagus nerve is responsible for the “rest and digest” functions of the body. When you eat, the vagus nerve is activated. It stimulates the production of digestive juices and promotes peristalsis—the wave-like muscle contractions that move food throughthe digestive tract. In people with an overactive vagus nerve, the signal to the colon is stronger, leading to a more urgent need to go. This is why some people experience diarrhea or loose stools after eating. The food moves through the system too quickly, before water can be absorbed.

Is