How fast can food pass through the body?

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I have read somewhere that it is normal to defecate about once a day. This leads me to think that it takes about 24h for food to pass through the body under normal circumstances.

Now lets say you eat some bad sushi that triggers “the runs” within an hour.
When you then defecate, is it the actual sushi that comes out or is it just the food you ate before the sushi?

Also, how fast could food theoretically go from mouth to anus?

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40 Answers

Anonymous 0 Comments

So I had a diseased gallbladder that was dumping wayyyy too much bile into my small intestine. There were some days when it was way bad that I’d pass my lunch out within 2 hours. I had suspicions because I was very malnourished and losing weight that it could pass that fast but didn’t really believe it. Then I had a normal lunch for myself back then one day (baked chicken, rice, assorted boiled veggies from the freezer) with peas. Hadn’t had peas in weeks. They were the proof!

I had the gallbladder removed and then my liver/body had to figure out how much bile to maintain at a steady trickle of production, so it’s not THAT fast anymore, and I have gained weight since too.

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