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Curated by: Ben Bikman (139 videos)
📢 Ask Dr. Bikman’s Digital Mind (multilingual): https://benbikman.com/ben-bikmans-digital-ai-mind 📢 Dr. Bikman’s Community & Coaching Site: https://insuliniq.com Topic: Peripheral neuropathy is not caused by high glucose alone, but by the combined effects of hyperglycemia, insulin resistance, and glycemic variability. Protecting nerves requires improving insulin sensitivity and reducing glucose swings—not just lowering A1C. Summary: Dr. Bikman explains why peripheral neuropathy is not simply a “high blood sugar” problem. While hyperglycemia clearly damages nerves, the story is more complex—especially in type 2 diabetes, where intensive glucose control does not prevent neuropathy nearly as well as it does in type 1 diabetes. Dr. Bikman argues that neuropathy is driven by three interacting metabolic forces: chronic hyperglycemia, insulin resistance, and glycemic variability. He begins by defining peripheral neuropathy as damage to the nerves outside the brain and spinal cord, most commonly appearing first in the feet and toes because the longest nerves are often affected earliest. He then explains how excess glucose damages nerves through the sorbitol pathway, oxidative stress, glycation, and inflammation. But glucose is only one part of the problem. The second pillar is insulin resistance. Peripheral nerves and their support cells, especially Schwann cells, need insulin signaling to maintain healthy myelin and nerve repair. When insulin signaling fails, nerves lose an important trophic support system even before glucose becomes severely elevated. The third pillar is glycemic variability, or repeated glucose swings, which may damage nerves beyond what A1C alone can reveal. The key takeaway is that protecting nerves requires more than lowering average blood sugar. It requires improving insulin sensitivity, reducing glucose swings, stabilizing post-meal responses, and addressing the metabolic dysfunction that damages nerves from multiple directions. References: For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: https://www.benbikman.com Translation Notes: You can click the gear icon at the bottom of this video to auto-translate captions. For example, to translate into Polish, select Subtitles, choose Auto-Translate, then first choose English, then choose Auto-Translate again, then choose Polish.) Also, Dr. Bikman’s Digital Mind can interact with you in many languages: https://benbikman.com/ben-bikmans-digital-ai-mind In addition, our channel has access to YouTube’s innovative “auto-dubbing” feature. The process supports translations from English into many languages, with more to come. Click on the gear icon, then choose “Audio track” to access. (This availability is often delayed several weeks or more, so check back often.) Timestamps (approximate): 01:04 — Introduction: Rethinking Neuropathy 02:05 — The Three Metabolic Drivers of Nerve Damage 03:12 — What Peripheral Neuropathy Is 04:23 — How Neuropathy Is Detected 05:19 — Neuropathy Before Diabetes 06:30 — Hyperglycemia and the Sorbitol Pathway 08:40 — Oxidative Stress and Antioxidant Depletion 09:46 — Glycation, AGEs, and Inflammation 11:54 — Insulin Resistance as a Driver of Neuropathy 14:17 — Why Schwann Cells Need Insulin Signaling 16:23 — Glycemic Variability and Nerve Damage 19:50 — Why Time in Range May Matter More Than A1C 21:48 — Practical Strategies for Nerve Protection NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions. #PeripheralNeuropathy #DiabeticNeuropathy #InsulinResistance #MetabolicHealth #BloodSugarControl #GlycemicVariability #A1C #TimeInRange #Type2Diabetes #Type1Diabetes #NerveHealth #SchwannCells #OxidativeStress #Glycation #DiabetesComplications #LowCarbScience #MetabolismMatters #DrBenBikman #MetabolicClassroom #HealthScience Ben’s favorite yerba mate and fiber: https://ufeelgreat.com/usa/en/c/1BA884 Exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code BEN10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb Ben’s favorite meal-replacement shake: https://gethlth.com (discount: BEN10)