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[What happens if you stop pooping?]
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This episode's going to get real.
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So... be prepared for that.
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Let's start here: Nobody likes to be constipated.
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Sometimes because of things like diet or stress, you don't poop for a little while.
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It happens to me whenever I go on vacation and I'm like, "why?! "
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"I'm supposed to be having a good time! This is not fun!"
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Thankfully, it's usually fixable with coffee or and a bunch of fiber, have a couple bran muffins!
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But if that little while turns into a long time, and you just stop pooping entirely...
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Things can get pretty ugly.
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Poop is your body's way of getting rid of undigested or undigestible food and other wastes that your body produces.
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After the stuff travels through your small and large intestine, it ends up at the rectum, which stretches and sends a signal to your brain, "it's time to go!"
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Sometimes, though, things can stop chugging along as nature intended.
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That's where constipation comes in, and it can be caused by anything from holding it in too long to a lack of exercise.
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Some diseases can also make your intestines struggle to propel the poop along.
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Parkinson's or inflammatory bowel diseases, for example, can prevent the muscles and nerves in the colon from working properly, so it can't pass along feces or gas.
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In severe cases, that can cause a megacolon, and that's the actual name for this thing.
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It's an abnormally large or swollen colon, which can create a fecal backup.
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Regardless of what causes it, though, nothing good happens when your poop gets stuck in your body.
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When it hangs out in the colon, more and more water is sucked out of it.
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That makes it harder, which, in turn, makes it more difficult for your body to push out.
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And when you do try, you have to push harder.
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That strain can cause hemorrhoids, which are inflamed veins in your rectum, or anal fissures, which are small tears in the lining of the anus.
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All this sounds so fun!
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If you don't go for a long, long, long time, your poop gets too hard and dry, it can also cause something called a fecal impaction: a hardened mass of stool that can't move at all.
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Those masses can cause nausea and ulcers, and press on the bladder, causing urinary incontinence.
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They can even cause the colon to perforate or rupture which is life-threateningly dangerous and requires surgery.
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And in really, really, really rare cases, things can get, goodness.
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A severe fecal impaction can actually make intestines contract in reverse.
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In an effort to get things moving, they'll contract and relax, which, unfortunately, can send their contents in the wrong direction.
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They're just tying to save your life!
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Liquid from the small intestine backs up into the stomach, and causes the unfortunately named condition: fecal vomiting.
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It's not quite as nasty as it sounds, like, it's not fully formed stools or anything, but also definitely not pleasant!
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Thankfully, fecal impactions can be broken up with laxatives, or can be broken up manually by a doctor.
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If someone is chronically constipated, or develop fecal impactions, their intestinal muscles might also weaken over time, making it more difficult to regulate the pooping process on their own.
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So make sure to eat plenty of fiber, don't hold it for too long, and if you're not pooping regularly, go talk to a doctor, because the alternatives.... no!
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Thanks for asking, and thanks to our patrons on Patreon who keep answers like this coming!
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Cause look, sponsors aren't going to sponsor content like this!
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If you want to join us for a monthly Google Hangout, or just support the show, you can go to patreon.com/scishow.