Episode 172

How to Prevent Cavities Using an Ancestral Diet

With Dr. Steven Lin

The biggest misconception when it comes to tooth decay is that it’s an infection of harmful bacteria, in large part from eating sugar, but it’s not. Tooth decay actually results when the body doesn’t have adequate fat-soluble vitamins, which causes an imbalance of the oral microbiome. 

On today’s Broken Brain Podcast, I talk to Dr. Steven Lin about the connection between our oral health and overall health. We discuss how tooth decay is a condition we can prevent, and how we have the ability to heal cavities and reverse tooth decay in certain circumstances. We also talk about Dr. Lin’s protocol for reversing tooth decay.  

For more on Dr. Steven Lin you can follow him on Instagram @DrStevenLin, on Facebook @DrStevenLin, on Twitter @DrStevenLin, and through his website https://www.drstevenlin.com. Get Dr. Lin’s book, The Dental Diet at https://www.drstevenlin.com/the-dental-diet/.

Also mentioned in this episode:


For more on Dhru Purohit, be sure to follow him on Instagram @dhrupurohit, on Facebook @dhruxpurohit, on Twitter @dhrupurohit, and on YouTube @dhrupurohit. You can also text Dhru at (302) 200-5643 or click here https://my.community.com/dhrupurohit.

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This episode is brought to you by the Pegan Shake.

How you start your morning sets the tone for the day. I’m a huge fan of morning routines, because I think they can transform your ability to focus, sleep well, and get the most out of your day, especially in this busy, modern world. 

What I’ve found is that the best way to begin your day is to feed your body the right information or the right nutrients. That’s why Dr. Mark Hyman and I created the Pegan Shake. It’s a nutritionally packed morning blend designed to support healthy blood sugar, energy, and brain power.  

It contains some of my most favorite brain boosting foods like MCT and avocado. It also features acacia fiber for healthy gut function and collagen, pumpkin, and pea protein to support muscle synthesis. Check it out at getfarmacy.com/peganshake.


I hope you enjoyed this conversation as much as I did.
Wishing you health and happiness.
Dhru Purohit

In this Episode, you will learn

  1. What contributes to tooth decay
  2. The specific nutrients we are missing in our diet that are contributing to tooth decay
  3. How to reverse tooth decay
  4. The importance of vitamin D for our dental health
  5. How gut health impacts oral health
  6. Why mouthwash isn’t a good solution for avoiding tooth decay and holistic alternatives
  7. The issue with fluoride
  8. How mouth breathing leads to tooth decay
  9. The connection between Alzheimer’s disease and gum disease 
  10. Dr. Lin’s protocol for reversing tooth decay
  11. Where listeners can learn more about Dr. Steven Lin


Dhru Purohit

Dhru is the host of the Dhru Purohit Podcast, a top 30 health podcast with over 30 million downloads. His interviews focus on the inner workings of the brain and the body and feature the brightest minds in wellness, medicine, and mindset.

Dhru Purohit is also a serial entrepreneur and investor in the health and wellness industry.

Dr. Steven Lin

Dr. Steven Lin is a world-leading authority in the field of Functional Dentistry and the author of, The Dental Diet: The Surprising Link between Your Teeth, Real Food, and Life-Changing Natural Health. Dr. Lin’s practice is founded in root cause protocols to prevent developmental issues associated with crooked teeth, and the biological basis of nutrition focused oral-systemic and mouth-brain connection. 

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