On Purpose with Jay Shetty

Snapshot · On Purpose with Jay Shetty

Dr. Chris Palmer: Your Diet Could Be Causing Anxiety, Depression & Brain Fog (6 Simple Changes to Make Today)

Explore episode Jul 3, 2026

Where this was said

Why Is The Food System In America So Harmful?

At 13:40 · chapter starts 9:55

In the episode's intellectual core, Dr. Palmer confronts a deeply embedded assumption in his own field: that diet has no meaningful role in serious mental illness. He argues that decades of neuroscience and cell biology research have been quietly converging on metabolic dysfunction as a shared mechanism across mental health conditions — from ADHD to bipolar disorder to schizophrenia — and that this link mirrors the metabolic fingerprint of obesity, diabetes, and cardiovascular disease. People with metabolic disorders are disproportionately likely to have mental health conditions, and vice versa. Palmer's key provocation is deceptively simple: the food we eat becomes the neurotransmitters in our brains and influences every cell's function. Ignoring nutrition in psychiatry, he says, leaves clinicians perpetually chasing symptoms rather than treating causes.

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