The Selenium Deficiency Nobody's Talking About (And Why It Affects Your Brain) ft. Dr. Jeff Moss
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In this episode, Dr. Justin Marchegiani sits down with Dr. Jeff Moss of Moss Nutrition to explore why selenium deficiency — not mercury toxicity — may be the real driver of cognitive decline linked to fish consumption. They also examine the nuances of iodine and thyroid health, the often-overlooked importance of potassium intake, and how acid-alkaline balance may serve as a practical at-home clinical tool. This conversation offers clinical insights that challenge popular functional medicine assumptions and bring evidence-based clarity to everyday patient decisions.
💡 What You'll Learn:
✅ Why research may suggest selenium deficiency — not mercury — is the key concern with fish consumption
✅ How fish intake may be associated with improved cognitive function in aging populations
✅ The iodine titration approach commonly used in cases involving Hashimoto's or Graves' disease
✅ Why potassium insufficiency may be more clinically significant than excess sodium intake
✅ How first-morning urine pH may serve as a low-cost tool for monitoring metabolic balance
✅ Why addressing protein, calories, and hydration often produces the most meaningful clinical results
#FunctionalMedicine #SeleniumDeficiency #ThyroidHealth
Related Health Resources
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📚 References: Sasaki et al. Fish consumption and omega-3 PUFAs positively associated with cognitive function in older adults — Am J Clin Nutr. 2024;119:283–293: https://pubmed.ncbi.nlm.nih.gov/38110038/
⚕️ Medical Disclaimer: This content is for educational purposes only and is not intended as medical advice, diagnosis, or treatment. Please consult your licensed healthcare provider regarding any personal medical concerns.
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