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Tricia Pasricha
Gastroenterologist and Director of the Institute for Gut-Brain Research at Beth Israel Deaconess Medical Center, Assistant Professor at Harvard Medical School, and The Washington Post's "Ask a Doctor" columnist.
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Apr 14, 2026
You’ve Been Pooping All Wrong (And It’s Affecting Your Brain) with Dr. Trischa Pasricha | E213
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41:17

David PerlmutterHOST
So let's first talk about what does this mean, gut permeability? How is it measured and why it matters? And then I guess we should leave alone why the mainstream doesn't really pay attention to it.
Tricia PasrichaGUEST
Like, I think that the reason, you know, you'll meet two kinds of gastroenterologists.
Tricia PasrichaGUEST
One, which are the neuro gastroenterologists will be like, of course, increased intestinal permeability is real.
Tricia PasrichaGUEST
And we've been studying this and there's these studies that I'll tell you about.
Tricia PasrichaGUEST
of the misinformation around the term leaky gut on social media, that they're like, leaky gut's not real.
9 MINS LATER

David PerlmutterHOST
And if you can, maybe reveal how one could assess gut permeability in a clinical setting.
Talk turkey to me
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24:20Tricia PasrichaGUEST
Well, okay, I will say it all depends on your goals here, okay? So there's, like, one group of people who are, will say, "Thanksgiving Day, I'm gonna eat what I want, in the quantities that I want, and don't get in my way." And to those people I say-You know what? It's a holiday, enjoy yourself, live your best life.
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24:36Tricia PasrichaGUEST
If your goal is to not feel ill afterwards, which is, like, common to all of us, then what I would say is to put an appropriate amount of vegetables and protein on your plate and eat those things first.
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24:49Tricia PasrichaGUEST
And by appropriate amount, I mean at least half the plate should be filled with those things.
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24:54Tricia PasrichaGUEST
In real life, we usually want to center the protein and the veggies on the plate and, like, the carbohydrate is, like, a fourth of that plate.
Bowel Movements, Fiber, and Why Cancer Rates are Rising in Young People with Dr. Trisha Pasricha
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Chelsea ClintonHOST
You know, for anyone listening, what are the gut symptoms that you would want people to just be really finely a- attuned to, whether it's an early sign of, of Parkinson's or, um, colorectal cancer, you know, both of which we've touched on, and, and other kind of things that maybe we haven't talked about yet?
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35:37Tricia PasrichaGUEST
So any kind of rectal bleeding, you should talk to your doctor sooner rather than later.
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35:43Tricia PasrichaGUEST
Rectal bleeding can be a lot of things we don't have to overly worry about, like hemorrhoids, for example.
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35:49Tricia PasrichaGUEST
But they're the most, one of the most important signs of early-onset colorectal cancer.
Chelsea ClintonHOST
What reflections do you have about inflammation? Kind of what does the science tell you? How does this relate to the conversation we were just having about the microbiome and how does it maybe not connect at all?