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The School of Greatness

Doctor Explains: Healing Your Gut Won't Work Until You Heal This

The School of Greatness

Lewis Howes

Mindset, Relationships, Entrepreneurship, Mental Health, Education, Greatness, Fitness, Celebrity, Health, Inspiration, Success, Health & Fitness, Self-improvement, Business, Money, Self Care, Celebrity Interview

4.822K Ratings

🗓️ 19 January 2026

⏱️ 91 minutes

🧾️ Download transcript

Summary

This conversation will completely change how you think about your health. You'll discover why healing your gut might be the most important thing you do this year, but true transformation requires something deeper than food alone.

Transcript

Click on a timestamp to play from that location

0:00.0

70% of your immune system is in your gut mining. That gut barrier, that single layer of cells,

0:06.4

it protects the immune system. But if it's weak, things can sneak across that are not supposed to be

0:11.8

there. Your immune system gets activated and that's chronic low-grade inflammation. You can't have a war

0:17.3

without total destruction. Right. Right. You're destroying everything around when you're

0:21.9

activating your immune system to fight an enemy. Like if you just repaired the gut barrier,

0:26.6

the enemy would have never got in in the first place. Board certified gastroenterologist,

0:31.6

internationally recognized gut health expert and bestselling author of many books. Dr. Will

0:36.5

Bolsowitz. There's absolutely 100% clear

0:41.0

physiology that explains how our stress and our traumas ultimately will impact our gut. And when

0:47.4

they impact our gut, they will impact our immune system and create inflammation. You could be

0:51.6

eating all the right things and doing everything you can in your

0:55.4

control to eat healthier. But if you haven't healed the trauma of the past, you still might have a

1:00.7

weaker gut microbiome, a weaker immune system because of that. You could sleep. You could meditate.

1:07.0

You could try to do things. But if you don't heal the trauma, then you're not actually going to be well. A lot of people are sick. A lot of people are sick. And I think they're sick and tired of feeling sick. And the gut health is usually one of the main reasons why people are sick. And they're not even aware of it. You might think there's some other symptoms that's causing them to be sick, but based on my conversation with you the last time, some of the

1:31.8

stuff that you talk about in your book as well, that a lot of the root causes of inflammation

1:36.9

come from the gut from my understanding. Is that correct? A hundred percent. Really? Yeah.

1:41.8

And we can fully unpack that, but suffice it to say that in the three years that I spent

1:47.6

like preparing this book and a big part of that was me diving into thousands of studies.

1:52.3

The book has over 1,400 citations that I will happily give to you.

1:57.1

All you got to do is click and take a look and you'll see that I'm backing up my words.

2:11.3

So, but I reviewed thousands of papers to basically try to understand what I see as the biggest health-related issue of our time, which is in one word, inflammation, right?

2:18.6

Because the problem is, Lewis, you could go to five different doctors for five different medical problems that you don't necessarily think they're connected.

...

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