1:37

In this excerpt, Dr. David Perlmutter explains that multiple sclerosis (MS) is an autoimmune disease whose origins lie in gut health. He emphasizes that the gut regulates systemic inflammation and immunity, and therefore a gut‑focused approach is essential for MS prevention. He recommends a diet low in carbohydrates, high in healthful fats, rich in fermented probiotic foods, and abundant in prebiotic fiber to support beneficial gut bacteria and preserve the gut lining. Perlmutter also highlights the importance of vitamin D, citing a Neurology study that showed a 46% reduction in MS recurrence over one year with high‑dose vitamin D supplementation. He urges moving the focus of MS management from the brain to the gut.

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