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Home » Gut Microbiome Crisis w/ Dr. Trisha Pasricha @Mel Robbins Podcast (Transcript)

Gut Microbiome Crisis w/ Dr. Trisha Pasricha @Mel Robbins Podcast (Transcript)

Editor’s Notes: In this episode of The Mel Robbins Podcast, Mel sits down with Harvard physician-scientist and neurogastroenterologist Dr. Trisha Pasricha to expose a gut health crisis most people are quietly living with but rarely talk about. From bloating, constipation, and “bathroom anxiety” to the rising rates of colon cancer in younger adults, Dr. Pasricha explains what your poop, its shape, color, and timing can reveal about your overall health, mood, and even long‑term disease risk. She breaks down how the gut actually functions as a “second brain,” why so many of us have normalized daily digestive discomfort, and which symptoms you should never ignore. Packed with practical, science-backed advice on fiber, bathroom habits, and simple daily changes, this no‑shame conversation is a step‑by‑step guide to finally taking your gut—and those “embarrassing” signals—seriously. (March 30, 2026) 

TRANSCRIPT:

What Is the Gut? Understanding Your Body’s Most Powerful Organ

MEL ROBBINS: Dr. Trisha Pasricha, I’m so excited that you are here.

DR. TRISHA PASRICHA: Thank you so much for having me, Mel.

MEL ROBBINS: Oh, my gosh. All right. We are going to dig into this. I cannot wait. I really can’t wait to talk about poop. I know that we’re going to get into that a little bit later, but I’d like to start by asking you, how would my life be different if I take everything that you’re about to teach us today to heart, I apply it to my life, I share it with my friends, what’s going to change about my life?

Your Gut Is a Brain

DR. TRISHA PASRICHA: Your life is going to change in two big ways. First, you’re going to stop thinking about your gut as a digestive organ. You’re going to start thinking about your gut as a brain, because that’s what it is. Your gut is a brain. It has more nerve cells than the entirety of your spinal cord. It is creating all the same neurotransmitters like dopamine, like serotonin, and it is constantly sending signals up to the brain in your head through this information superhighway called the vagus nerve.

Also, so many of the diseases that we’re most afraid of, from certain cancers to Parkinson’s disease, these can all start in the gut. Once you realize that, everything changes, because then you can realize you can change your health, not 10 years from now, but today. You can start to take control of your health through your gut, and that gives you real control.

The second thing that’s going to change for you is that you’re going to realize this whole time your symptoms were never all in your head. All of those GI symptoms, the bloating, the trouble with digestion, the going to the bathroom, none of that was ever just stress. And I think the reason that so many people for so long haven’t been believed is because some people aren’t as familiar with all of the data and all of the research that I’m going to share with you today. And once you have that knowledge and that validation, it’s going to give you power back and agency to get the help that you need.

A Tour of the Gastrointestinal Tract

MEL ROBBINS: Wow. So, Dr. Pasricha, let’s just start with the basic level. What is the gut specifically?

DR. TRISHA PASRICHA: Yeah, let me bring out this model here. Okay, let’s walk through it.

MEL ROBBINS: Okay, so she’s pulling out— okay, now we’re all in medical school, everybody. She’s— you’ve pulled out a plastic model of a human being. And basically what I’m looking at— if you’re listening, we’re going to narrate this for you— we have a model that shows the insides of a human being. I recognize the lungs. I see like a bunch of squiggly stuff, which I guess are intestines. But Dr. Pasricha is going to really narrate this for us.

DR. TRISHA PASRICHA: Yeah, and first thing I’m going to do is actually I’m going to take the lungs out. I’m going to take the heart out just so we can see.

MEL ROBBINS: Okay.

DR. TRISHA PASRICHA: I promise you I’m not that heartless.

MEL ROBBINS: No pun intended. Okay, so now I’m seeing— whoa, what am I seeing?

DR. TRISHA PASRICHA: Yeah, so this— what I’m going to walk you through is the gut. The gut is our way of referring to the gastrointestinal tract. That is everything from the mouth all the way back to the anus.

MEL ROBBINS: Okay, hold on a second. You’ve already taught me something. When I hear the word gut, I think from my belly button to my private parts. I think about the part that swells, I think about the part that hangs out over my pants.

DR. TRISHA PASRICHA: Yeah.

MEL ROBBINS: I think about just that section. So the first thing that you want us to really reframe is that when you use the word gut, at least medically speaking, it’s the mouth and all the things that connect your mouth all the way through until it goes out the other side.

DR. TRISHA PASRICHA: That is the entirety of the gastrointestinal tract. So everything that’s part of that really, really long, complicated tube, that’s your gut.

MEL ROBBINS: Huh.

From Mouth to Stomach: How Food Travels

DR. TRISHA PASRICHA: So let’s walk through it. Suppose you take a bite of food. It goes through your mouth here.

MEL ROBBINS: Yep.

DR. TRISHA PASRICHA: And now follow along. It goes through this tube at the back of your throat. Do you see this muscle? That long tube is called the esophagus.

MEL ROBBINS: Okay.

DR. TRISHA PASRICHA: And it goes from the esophagus down.

MEL ROBBINS: You know what’s interesting? I don’t know if you feel this way as you’re listening to this episode right now, but I’ve always thought the esophagus actually goes down the front, like in front of—

DR.