Extend Podcast with Darshan Shah, MD

158. Dr. Kavin Mistry: Primal Health Design, Biological Aging, and Reconnecting with Human Biology

Apr 23, 2026
Guest
Kavin Mistry
Dr. Kavin Mistry, a neuroradiologist and author of Primal Health Design who studies how modern life reshapes brain and spine aging. He discusses tech neck and posture, primal movement and strength habits, morning sunlight and circadian reset, grounding and microbiome-supporting foods, and how connection, purpose, and routines restore resilience and longevity.
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ADVICE

Prepare Nighttime To Fall And Stay Asleep

  • For sleep, avoid blue light and strenuous exercise before bed to allow melatonin to rise and help you fall asleep.
  • To stay asleep, downregulate sympathetic tone with parasympathetic practices so anxiety doesn't fragment sleep.
INSIGHT

Tubers Feed A Diverse Microbiome

  • Primal diets often contain tubers that act as prebiotic fibers, supporting exceptional microbiome diversity.
  • The Hadza consumed yucca and other ground‑grown tubers, which fed a rich microbiome linked to low chronic disease incidence.
ADVICE

Use Prebiotic Supplements When Tubers Are Unavailable

  • Add prebiotic supplements like inulin or blended formulas if you can't access tubers to boost microbiome diversity.
  • Kavin and Darshan mention inulin powder and multi‑prebiotic products as practical ways to feed diverse gut bacteria.
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