The Evolving Wellness Podcast with Sarah Kleiner Wellness

How Stress Shuts Down Metabolism – Sympathetic Stress, Mitochondria & the Cell Danger Response

Feb 18, 2026
Dr. Scott Sherr, a board-certified internal medicine physician and health optimization specialist, explains how chronic stress hijacks energy systems. He discusses the sympathetic spiral, mitochondrial dysfunction, circadian alignment, hydration and minerals. Practical tools like methylene blue, red light, sauna sequencing, and sleep strategies are highlighted.
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INSIGHT

Calming Alone Can Backfire

  • Relaxing the nervous system alone can trigger reactive anxiety in chronically hypervigilant people.
  • Without concurrent mitochondrial support, downregulation often fails or worsens symptoms.
ADVICE

Match Light Tools To Skin And Context

  • If sun exposure is limited, use targeted light tools: red/infrared plus UVB approaches matched to skin type.
  • Pair red/infrared with UVB or incandescent light to better simulate ancestral light signals.
INSIGHT

Aging Requires Under‑The‑Hood Optimization

  • Aging reduces enzymatic and hormonal capacity, making long-term optimization necessary beyond lifestyle.
  • Testing (metabolomics, genetics) can identify deficits that lifestyle alone won't fully fix.
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