The Link Between the Gut Microbiome and Our Immune System...

What this episode covers

How do ultra-processed foods change the way your genes behave? In this episode, I talk with my longtime friend and mentor, Dr. Jeffrey Bland, about why ultra-processed foods may be the most dangerous health experiment humans have ever run. We explored how food acts as information—shaping gene expression, immune health, and even how full or satisfied you feel. Dr. Bland, often called the father of functional medicine, brings decades of insight into how modern food systems are quietly rewriting our biology. Dr. Jeffrey Bland is known as the father of functional medicine and has spent over five decades studying how food, lifestyle, and biology shape human health. He’s a prolific educator, researcher, and founder behind multiple institutes, including Big Bold Health, dedicated to personalized and preventive medicine. What you’ll learn: (02:44) Why ultra-processed foods may be the biggest driver of modern chronic disease. (04:32) How food functions as biological information that influences gene expression. (06:49) Why life expectancy is declining despite advances in modern medicine. (09:22) How ultra-processed foods disrupt the gut microbiome and immune system. (17:38) What distinguishes healthy gut bacteria from harmful microbial patterns. (24:39) Why poor satiety from processed foods fuels weight gain and GLP-1 drug use. (28:29) How bitter compounds in natural foods naturally stimulate satiety hormones. (39:39) One simple mindset shift that can immediately improve food choices and health. Love the podcast? Here’s what to do: Subscribe to the podcast. Leave a review. Text a screenshot to me at 813-565-2627 and wait for a personal reply because your voice is so important to me. Want to listen to the show completely ad-free? Go to http://subscribetojj.com Click “TRY FREE” and start your ad-free journey today! When you’re ready, enjoy the VIP experience for just $4.99 per month or $49.99 per year (save 17%!) Full show notes (including all links mentioned): https://jjvirgin.com/bold → Fatty15 | Fatty15 is on a mission to optimize your C15 levels to help support your long-term health and wellness - especially as you age. You can get an additional 15% off their 90-day subscription Starter Kit by going to https://fatty15.com/VIRGINWELLNESS and using code VIRGINWELLNESS at checkout. Learn more about your ad choices. Visit megaphone.fm/adchoices

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Frequently Asked Questions

How long is this episode of Well Beyond 40?

This episode is 50 minutes long.

When was this Well Beyond 40 episode published?

This episode was published on February 18, 2026.

What is this episode about?

How do ultra-processed foods change the way your genes behave? In this episode, I talk with my longtime friend and mentor, Dr. Jeffrey Bland, about why ultra-processed foods may be the most dangerous health experiment humans have ever run. We...

Can I download this Well Beyond 40 episode?

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