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Food Heals

8 Out of 9 Dietary Guideline Authors Had Ties to Big Meat and Dairy. So What Are We Supposed to Eat? Dr. John Lewis Breaks It Down

Food Heals

Allison Melody

Mental Health, Health & Fitness, Nutrition

4.8635 Ratings

🗓️ 17 March 2026

⏱️ 71 minutes

🧾️ Download transcript

Summary

Eight out of nine people writing the U.S. dietary guidelines had ties to Big Meat and Big Dairy. Hmm. So what does that mean for the nutrition advice we’re all supposed to trust? I asked a doctor to break it down. And why is cheese so hard to quit? Spoiler alert: it might not be your willpower. There’s actual biology behind it. You know how much I love talking to doctors who are plant-based, and today’s guest is bringing the receipts. Dr. John Lewis is a plant-powered physician, former associate professor at the University of Miami Miller School of Medicine, and a researcher who has published more than 180 scientific papers. His Alzheimer’s research has shown significant improvements in cognitive function using plant-derived nutrients that support the brain. In this conversation, we connect the dots between diet, brain health, Big Food influence, and the chronic diseases affecting millions of Americans. If you’ve ever wondered whether Alzheimer’s is inevitable… or whether what’s on your plate could actually help protect your brain… this episode will change the way you think about food. In this episode you’ll discover: • The real reason cheese is so addictive, and why quitting it feels impossible for many people • The massive fiber crisis in America and why it’s wrecking gut health • Why the carnivore, keto, and high-protein craze may be setting people up for long-term health problems • The simple dietary shifts that can dramatically improve digestion and inflammation • What actually happens inside your body during fasting and why it may activate powerful cellular repair • The plant foods that may help support memory and brain health Some of what you’ll hear may sound shocking. But once you understand the science, it changes everything you thought you knew about nutrition. And once you hear it… you can’t unhear it. Support Your Brain Health: If you want to support your brain health right now, check out Daily Brain Care by Dr Lewis Nutrition®, a daily formula designed to help protect and restore brain function. Go to: ⁠https://drlewisnutrition.com/foodheals⁠ Use promo code ALLISON to save 10%.

Transcript

Click on a timestamp to play from that location

0:00.0

Eight out of nine people writing the dietary guidelines had ties to big meat and big dairy.

0:06.4

Hmm, wait until you hear this one.

0:09.3

And why are we still addicted to cheese?

0:12.4

The answer might surprise you.

0:14.5

And what if Alzheimer's isn't inevitable?

0:17.3

What if protecting your brain starts with something on your plate?

0:21.5

Plant power doctor, Dr. Lewis is here to connect all those dots.

0:25.5

I'm Alison Melody, and that's what's coming up next on food heels.

0:29.9

And if you want to support your brain health right now, check out daily brain care.

0:34.1

That's by Dr. Lewis Nutrition.

0:35.8

It's a daily formula designed to help protect and restore

0:38.9

brain function. Go to Dr. Lewis Nutrition.com slash food heels and use promo code Allison to save 10%.

0:47.0

Next up, my interview with Dr. John Lewis. Roll it, Roxy. This is the Food Heels podcast.

0:55.0

Warning, side effects of this podcast may include increased health and vitality, thoughts of living longer, developing a more positive outlook on life, feelings of joy, cravings for kale and Keelaw, and a spike in Tinder matches.

1:05.5

All right, he is the founder of Dr. Lewis Nutrition, a former associate professor at the University of Miami Miller School of

1:12.9

Medicine. Please welcome Dr. John E. Lewis to the show. Welcome, Dr. Lewis. Thank you so much for having

1:20.5

me. It's great to be here. I'm excited for our interview today. I love having a plant-based doctor

1:25.3

on the show. It makes me so happy. I love talking to someone else who also eats plant-based, so we're even.

1:32.0

Yeah, okay. So 27 years, you've got me beat. I want to talk about, like, why did you first originally go plant-based? What was your reasoning?

1:41.3

So almost 30 years ago, I had a friend of mine, which was obviously in the early days of the internet,

1:47.7

I had a friend of mine turned me onto a website called not milk.com.

1:51.1

Okay.

...

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