Functional Psychiatry for Nurses: Root Cause Depression, Anxiety, and the Gut-Brain Link

Functional Psychiatry for Nurses: Root Cause Depression, Anxiety, and the Gut-Brain Link

February 4, 2026 · 46 min · Episode 85

About this episode

This episode explores functional psychiatry and its approach to treating depression and anxiety through root causes, featuring an interview with Everest Goldstein.

Sponsored by the Institute for Functional Nursing. Learn more about our programs at www.fxnursing.com Functional psychiatry is one of the least common niches in the functional medicine world, but it is often where patients experience some of the most profound “whole person” care. In this episode, Brigitte Sager interviews Everest Goldstein, board-certified psychiatric nurse practitioner and IFM certified clinician, about what functional psychiatry really means, how she built her practice, and why nursing is uniquely positioned to lead in this space. Everest shares her own turning point after Lyme disease, when a provider spent the time to take a full functional history and connect the dots. From there, she explains how functional psychiatry treats depression and anxiety as symptoms with root causes, not labels that end the conversation. You’ll hear practical, surprising examples of how gut health, cortisol dysregulation, dysbiosis, H. pylori, constipation, and yeast overgrowth can drive mood symptoms, and why foundations like sleep, stress, movement, and nutrition matter more than “shiny objects” like endless supplements, peptides, or IVs. They also discuss building community as…

People in this episode

Host: Brigitte Sager

Guest: Everest Goldstein

Topics covered

Keywords

Sponsors

Institute for Functional Nursing

Mentioned in this episode

Organizations: IFM

Products: Lyme disease, H. pylori, yeast overgrowth, cortisol dysregulation, dysbiosis, supplements, peptides, IVs

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