93- Fix the Gut to Fix the Brain with Dr. Robert Silverman

93- Fix the Gut to Fix the Brain with Dr. Robert Silverman

By Bryan Carroll CFMP, NTP, FAFS

November 21, 2019

You may have heard the quote from Hippocrates that states "All disease begins in the gut". While it might not be 100% accurate that disease starts in the gut, the gut almost always is impacted in any disease state.

But what is more interesting is when the issues in the gut cause issues in the brain.

While this episode all about how to test and fix "leaky gut, leaky brain" issues, I'll give you a brief overview of some reasons the gut and brain can be connected.


What Are a Couple Ways Gut Issues Can Cause Brain Issues

Here are 2 scenarios where the gut can have big impacts on the brain.

The first issue happens when the gut lining becomes "leaky" and particles that aren't supposed to be in the blood stream leaks from the gut and into the blood. This causes an immune response in the body, which can lead to blood brain barrier issues.

The second issue has to do with development of some neurotransmitters. For instance, 93% of serotonin is created in the gut. If the gut is disrupted, there is no wonder why people have issues with depression and other serotonin-related disorders.

Dr. Robert Silverman and I will talk more about how to test the gut and the brain, and what to do to improve their functioning.

What To Expect From This Episode

  • How important is the gut to our overall health
  • What happens when the immune system responds to molecules that are passing through the gut lining that aren't supposed to be in the blood
  • Different lab tests to check for intestinal permeability
  • Ways to fix your brain function so you feel your best


  • [2:00] Dr. Robert Silverman was fascinated with movement quality, which opened him up to Functional Medicine
  • [3:15] The body is all interconnected, and it is interconnected by systems
  • [4:15] Your gut is extremely important to your health. Over 80% of your immune system lives in your gut
  • [5:30] What are some indications your gut isn't in the best condition
  • [6:45] The food you eat can have huge impacts on your energy levels
  • [8:00] It is often thought that the tryptophan from turkey causes you to crash on Thanksgiving, but it is actually the carbohydrates
  • [8:30] Some Thanksgiving food options Dr. Robert Silverman makes
  • [9:30] How is the gut lining supposed to work, and why would it become "leaky"
  • [11:00] When food passes through the gut lining and into our system, what does the immune system do
  • [12:30] If you do an IgG food sensitivity test and a bunch of foods come back as positive, is this a good indication of a leaky gut
  • [15:00] If bacteria is leaking through the gut into the bloodstream, where is this bacteria coming from
  • [18:15] People are switching from low fat to high fat, what happens to our abilities to produce bile to emulsify the bile
  • [20:15] What are ways to test the blood brain barrier to see if it is "leaky" as well
  • [22:00] Are these tests expensive
  • [22:45] Can you assume that if someone tests positive for intestinal permeability, then they also have a leaky blood brain barrier
  • [25:00] If you get a concussion, what does it do to your gut
  • [27:00] Young athletes playing sports might not admit they hit their head. How can we tell them that not reporting a head injury can have long lasting impacts on their body
  • [28:30] Concussion protocols should be at least 21 days, but most school protocols are only 7 days
  • [29:00] What happens to the neurotransmitters when there are gut issues
  • [30:15] 93% of serotonin is formed in your gut
  • [31:45] The microbiome is extremely important, but is still fairly new. Kiran Krishnan talked about it in this episode.
  • [33:00] Dr. Robert Silverman's final thoughts on how to keep the gut healthy

Resources From This Episode

Some of these resources may contain affiliate links, which provides a small commission to me (at no extra expense to you).

  • Learn More About the Microbiome with Kiran Krishnan- Listen Here
  • Watch Dr. Robert Silverman's Youtube Videos- Watch Here
  • Fill Out Our Podcast Survey to Be Entered to Win $100 Gift Card- Take Survey

Transcript For Episode (Transcripts aren't even close to 100% Accurate)

Learn More About Dr. Robert Silverman

Dr. Robert Silverman teaches how the gut is connected to the brain, and when the gut is "leaky" then the brain can experience issues as well.

Dr. Robert Silverman teaches how the gut is connected to the brain, and when the gut is "leaky" then the brain can experience issues as well.

About the author

Bryan Carroll CFMP, NTP, FAFS

Bryan Carroll is a certified Functional Medicine Practitioner and Movement Therapist who helps the outdoors community to reduce injuries and improve their health so they can get back to exploring nature. His big health crisis from mold exposure taught him the importance of finding the root causes to illnesses so you can take back control of your life. He is also the host of the Summit For Wellness Podcast.

You might also like

{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}

Let's Improve Your Health Today

When you register for free, you get access to:

Fitness Tips and Workouts

Nutrition Info and Podcasts

Enjoy the Outdoors