What if one of the longest-running human health experiments has been hiding in plain sight...quietly unfolding across the life of a man who’s never eaten the Standard American Diet, never accepted the inevitability of chronic disease, and never believed that health comes from a pill, an injection, or a supplement?

In this episode, we sit down with Mark Huberman, President of the National Health Association and lifelong practitioner of Natural Hygiene – a philosophy of health that predates today’s dietary wars and challenges the assumptions behind the carnivore, Weston A. Price, and “ancestral” nutrition movements.

Mark’s story is extraordinary:

He was raised from birth on a raw whole-food, plant-exclusive diet, maintained it for the first 32 years of his life, and has continued to live SOS-free for nearly 75 years. His parents, early adopters of the Natural Hygiene approach, overcame their own health crises, rejected 1950s norms, and raised Mark in an environment where fresh air, water fasting, organic gardening, rest, and unprocessed foods were simply “how you lived.” 

Building on our recent conversation with Mariah Manazza, this episode dives deeper into a perspective on nutrition and healing that sits far outside modern mainstream thinking – but that offers powerful insights into why our society is sicker than ever, and why removing what harms us may matter more than adding what helps.

We explore:
• Mark’s raw-food upbringing and the health crisis that shaped it
• The foundations of Natural Hygiene and what makes it terrain-based
• Why he’s never eaten salt, oil, or sugar, even at restaurants
• The philosophy and physiology behind water fasting
• Whether there truly is a “species-appropriate” human diet
• How Natural Hygiene challenges today’s viral nutrition trends
• Why omission beats addition when it comes to healing
• Mark’s non-negotiables for longevity, vitality, and clarity

Whether or not you agree with his conclusions, Mark’s lived experience offers a rare counterpoint to modern nutrition narratives, and a compelling case for the power of living in harmony with nature.

Learn more about Mark and his work at https://www.healthscience.org/.

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Help support Ryan and Briana's road to recovery by donating to our GoFundMe set up in their name. Every penny will go to cover the costs of associated with healing their terrain using alternative, terrain-friendly methods. Donate here: https://www.gofundme.com/f/help-ryan-briana-heal-from-pfas-exposure

Terrain Theory episodes are not to be taken as medical advice. You are your own primary healthcare provider.

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Music by Chris Merenda