Food Is Biological Information
Here is why food affects your mind
The Mind-Gut Conversation Podcast
Sep 1, 2026 · 7 min · 8 segments
After 45 years of research on how the brain and the gut communicate, the question Dr. Emeran Mayer hears most often is not about mechanisms or studies. It is much simpler than that. People tell him…
When I began, that idea was rejected by my colleagues and not taken seriously by many of my patients.
The notion that the two were in constant bidirectional conversation and that this conversation shaped mood, decision-making, appetite, and long-term health was not mainstream medicine.
For 30 years, I've led the Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, and I founded the Goodman Luskin Microbiome Center specifically to move this science out of the laboratory and towards clinical practice.
What was once a fringe is now one of the most active areas in biomedical research.
It happened because the evidence accumulated until it could no longer be ignored.
We began to understand that the brain-gut conversation was never a conversation between two parties.
Trillions of microorganisms living in the gut, taking in what we eat and converting it into thousands of signaling molecules that travel throughout the body and reach every organ, including the brain.
It was raw material that a vast microbial community would interpret, transform, and translate into words of a biological language that influence how you feel, how you think, and how you age.
When I began, that idea was rejected by my colleagues and not taken seriously by many of my patients.
The notion that the two were in constant bidirectional conversation and that this conversation shaped mood, decision-making, appetite, and long-term health was not mainstream medicine.
For 30 years, I've led the Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, and I founded the Goodman Luskin Microbiome Center specifically to move this science out of the laboratory and towards clinical practice.
What was once a fringe is now one of the most active areas in biomedical research.
It happened because the evidence accumulated until it could no longer be ignored.
We began to understand that the brain-gut conversation was never a conversation between two parties.
Trillions of microorganisms living in the gut, taking in what we eat and converting it into thousands of signaling molecules that travel throughout the body and reach every organ, including the brain.
It was raw material that a vast microbial community would interpret, transform, and translate into words of a biological language that influence how you feel, how you think, and how you age.
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3 of 4
Food Is Biological Information
Here is why food affects your mind
Beyond Health Rules
People need more than another health rule
Turning Science Into Action
The missing piece turns knowledge into action
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