Alzheimer's Disease: The Early Warning Signs & How To Reverse It | Richard Johnson & Dale Bredesen
Dr. Dale Bredesen and Richard Johnson discuss Alzheimer's disease as largely reversible through addressing metabolic dysfunction, particularly fructose-induced brain insulin resistance and inflammation. They present evidence that 84% of early Alzheimer's patients improved with a personalized protocol targeting specific drivers like diet, pathogens, and metabolic flexibility, positioning the disease as preventable rather than inevitable.
Summary
The episode challenges conventional wisdom about Alzheimer's disease, presenting it not as an inevitable neurodegenerative condition but as a metabolically driven disease with potential for reversal. Dr. Bredesen introduces the "cognoscopy"—a three-part evaluation (blood work, cognitive assessment, and MRI with volumetrics) recommended for people aged 40-45 to catch early signs before symptoms manifest. The evaluation assesses insulin resistance, inflammatory markers (particularly hs-CRP), vascular health, and brain volumetry.
Richard Johnson explains the "switch"—a biological mechanism originally evolved as a survival pathway to prepare animals for hibernation or famine. The switch activates through fructose consumption, lowering ATP energy in cells while simultaneously triggering hunger, foraging behavior, and fat storage. Critically, this same switch activates in the brain during early Alzheimer's, creating insulin resistance, inflammation, and mitochondrial suppression in the hippocampus and other memory centers.
The discussion establishes that fructose is produced not just from dietary sugar but also from glucose in the blood, especially when blood sugar spikes from high-glycemic carbohydrates or when serum sodium levels are elevated from salt consumption. This fructose production in the brain mimics three hallmarks of early Alzheimer's: low ATP/energy states, inflammation, and insulin resistance. The brain responds to this metabolic stress by entering "low power mode," downregulating synaptic formation and memory consolidation while upregulating immune and protective responses.
Johnson traces the evolutionary origins of human susceptibility to fructose metabolism, noting that humans lost the uricase enzyme 15 million years ago—likely advantageous when this enhanced fat storage from fructose improved survival during famines, but now pathological in an environment of abundant processed foods. Women show particular vulnerability post-menopause when estrogen loss removes protective effects against uric acid accumulation and fructose's metabolic effects.
Bredesen's protocol addresses six subtypes of cognitive decline: inflammatory, atrophic (hormone deficiency), glycotoxic (insulin resistance), toxic (exposure to biotoxins), traumatic (concussion-related), and vascular. Treatment involves identifying specific drivers, eliminating pathogens, healing gut barrier function, achieving metabolic flexibility (ability to produce and use ketones while maintaining glucose sensitivity), and restoring energetics. Key interventions include reducing high-glycemic carbohydrates and added sugars, increasing water intake to lower serum sodium, supplementing with omega-3s and resolvins, using polyphenol-rich foods like extra virgin olive oil, and considering bioidentical hormone replacement for perimenopausal women.
About this episode
<p>If you think you really understand Alzheimer's, think again! Alzheimer’s is scary to witness up close and personal and even scarier when you consider that anyone who’s had Covid-19 is at an increased risk for developing Alzheimer’s! </p><p>An astounding 45 million people currently living in America will die with Alzheimer’s disease and according to Dr Dale Bredesen, this number dwarfs the high rates of death we just experienced with Covid-19, it’s just a slower process.</p><p>This special episode is a panel discussion with two of the world’s leading experts on Alzheimer’s, Dr. Dale Bredesen and Dr. Richard Johnson.</p><p>Dr. Bredesen is an international neurodegenerative expert and the author of, The First Survivors of Alzheimers, a book that spotlights first person accounts of his patients that not only survived Alzheimers, but who got back a second life to live with meaning and fulfillment.</p><p>Dr. Richard Johnson, the fructose expert, wrote the book, Nature Wants Us To Be Fat. His focus and research points to the connection between Alzheimer’s disease and sugar.</p><p>This conversation between experts is enlightening and has a few points you’ll want to take note of to further discuss with your healthcare professional. Dr. Bredesen reveals why a complete assessment of your brain, blood levels and more needs to be completed as early as 40 years old to start taking preventative measures to protect yourself from Alzheimer’s.</p><p>Alzheimer’s has been referred to as type 3 diabetes and both experts agree that this disease is an insulin resistant state of the brain. What can you start doing today to lower your risks and the risks of the people you love? </p><p><br /></p><p><strong>FOLLOW Dr. Dale Bredesen:</strong></p><p>Website: <a href="https://www.apollohealthco.com/dr-bredesen/" target="_blank">https://www.apollohealthco.com/dr-bredesen/</a> </p><p>LinkedIn:<a href="https://www.linkedin.com/in/dale-bredesen-2ab0651/" target="_blank">https://www.linkedin.com/in/dale-bredesen-2ab0651/</a> </p><p>Facebook: <a href="https://www.facebook.com/drdalebredesen/" target="_blank">https://www.facebook.com/drdalebredesen/</a></p><p><br /></p><p><strong>Follow Richard Johnson</strong>: </p><p>Website: <a href="https://drrichardjohnson.com/" target="_blank">https://drrichardjohnson.com/</a> </p><p>Instagram: <a href="https://www.instagram.com/drrichardjjohnson/" target="_blank">https://www.instagram.com/drrichardjjohnson/</a> </p><p><br /></p><p>SPONSORS:</p><p>This episode is sponsored by BetterHelp. 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Key Insights
- Bredesen reports that 84% of trial participants with early cognitive decline experienced reversal of symptoms, with improvements visible in both cognitive testing and MRI gray matter volumes, with some patients declining less than normal aging rates.
- Johnson argues that fructose consumption activates an evolutionarily ancient survival mechanism that lowers cellular ATP while triggering foraging behavior and fat accumulation, originally designed for hibernation preparation but pathologically maintained by modern diet.
- The speakers establish that Alzheimer's disease involves a metabolic switch in the brain from a building-and-maintenance mode (forming new synapses and memories) to a protective low-power mode that sacrifices memory formation to fight perceived threats.
- Johnson explains that the human mutation losing the uricase enzyme 15 million years ago, which enhanced fructose-to-fat conversion for famine survival, now predisposes humans to obesity, diabetes, and Alzheimer's in modern food environments.
- Bredesen identifies six distinct subtypes of cognitive decline (inflammatory, atrophic, glycotoxic, toxic, traumatic, and vascular), each requiring different interventions, challenging the notion that Alzheimer's is a single disease entity.
- Johnson demonstrates that high salt intake activates glucose-to-fructose conversion in the brain independently of carbohydrate consumption, making salted processed foods particularly damaging for cognitive health.
- The speakers argue that female post-menopausal vulnerability to Alzheimer's involves both loss of estrogen's direct neuroprotective effects and loss of estrogen's suppression of uric acid, with uric acid potentially playing a dominant role in metabolic dysfunction.
- Bredesen presents evidence that amyloid plaques and tau tangles are protective responses to metabolic and immune stress rather than primary disease drivers, explaining why anti-amyloid drugs show limited efficacy.
- Johnson reports that fructose is uniquely capable of lowering ATP in cells while simultaneously blocking fat oxidation, creating an artificial energy crisis that triggers hunger despite adequate calorie intake.
- The speakers establish that brain insulin resistance precedes symptomatic Alzheimer's by 20+ years, appearing during the pre-symptomatic stage detectable only through specialized biomarkers like phospho-tau-181 in blood.
- Bredesen describes foraging behavior in late-stage Alzheimer's patients as evidence that the brain has activated the same survival foraging program evolutionarily designed for food-scarcity responses.
- Johnson argues that blood glucose elevation specifically triggers fructose production in the brain within 40-60 minutes, providing a direct mechanistic link between high-carb diets and cognitive decline.
- The speakers present evidence that mild dehydration, concussions, infections, and hypoxia all activate the same fructose-mediated survival pathway in the brain, suggesting fructose metabolism may be a convergent point for multiple Alzheimer's risk factors.
- Bredesen explains that continuous activation of the innate immune system causes endothelial cells to become reprogrammed toward a pro-thrombotic state, creating microthrombi that contribute to cognitive decline independent of amyloid pathology.
- Johnson demonstrates that vitamin C supplementation interferes with fructose metabolism, providing a potential explanation for fruit's neuroprotective effects despite its fructose content compared to processed sugar sources.
Topics
Transcript
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