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Dr. Dale Bredesen on Preventing and Reversing Alzheimer's Disease

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Rhonda Patrick1h 8m · 2018-10-01

Support Rate

93%

136 of 147 claims supported

Support rate

136 of 147 claims supported

136 supported11 partial / not

Claims from this content

130

Well SupportedSauna use 4-7 times per week is associated with a 66% lower risk of dementia and a 65% lower risk of Alzheimer's disease.Well SupportedThe APOE4 genotype is the major genetic risk factor for Alzheimer's disease, with risk increasing in a dose-dependent manner.Well SupportedSauna use activates heat shock proteins (HSPs), which help fold proteins correctly, stimulate pathways for building new blood vessels, and increase mitochondria.Well SupportedOmega-3 fatty acids (DHA and EPA) form resolins and protectins to resolve inflammation and regulate immune system activity.Well SupportedCorrect sauna usage can positively impact vascular health, blood markers, fertility health, and sleep, and may aid in removing environmental toxins and microplastics.

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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

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Well SupportedRoutinely testing vitamin D levels is recommended to fine-tune supplementation dosage.

Well SupportedLifestyle factors like diet, environment, and insulin resistance status can influence Alzheimer's risk in APOE44 carriers.

Well SupportedFasting for 12 hours allows for autophagy, ketosis induction at night, and clearance of waste products from the brain during sleep.

Well SupportedSweat can excrete heavy metals and phthalates.

Well SupportedMicrobial Metrics performs home mold testing and provides a health score based on dust samples.

Well SupportedImproving homocysteine levels to below 7 can halt the decline in cerebral volume and cognitive function.

Well SupportedOmega-3 fatty acids (EPA and DHA) are crucial for cell membrane function, including the proper functioning of glucose transporters at the blood-brain barrier.

Well SupportedSauna use is associated with positive effects including heat shock protein induction and detoxification.

Well SupportedSupplementation with beta-hydroxybutyrate has shown improvement in individuals with dementia or early-stage Alzheimer's disease.

Well SupportedThe APOE4 variant is the most common genetic risk factor for late-onset Alzheimer's disease.

Well SupportedLack of exercise is likely to result in lower BDNF levels.

Partially SupportedFor ApoE4 positive individuals, it is suggested to start with MCT oil for ketosis and then switch to monounsaturated and polyunsaturated fats after one to two months.

Well SupportedCentenarians often possess genetic variants, such as ApoE2 over ApoE3/E4, that confer lower risk for major age-related diseases.

Partially SupportedBrain-derived neurotrophic factor (BDNF) and NGF are critical for maintaining synaptic networks and are likely low if not exercising.

Partially SupportedZinc is structurally important in hundreds of enzymes and plays a role in cognitive function, diabetes, insulin function, and immune responses.

Partially SupportedLow zinc levels can be associated with Alzheimer's disease, particularly in individuals with type 3 Alzheimer's.

Partially SupportedFor ApoE4 positive individuals, saturated fat intake should be lowered due to its impact on LDL cholesterol.

Well SupportedHigher ketone levels (1.5-4 mmol/L beta-hydroxybutyrate) are associated with better performance.

Partially SupportedFor individuals with ApoE4, consuming fish may offer protection against Alzheimer's disease.

Well SupportedTransitioning to a fat-based metabolism from a carbohydrate-based metabolism takes several weeks and can be aided by exercise.

Well SupportedUrine tests can identify specific mycotoxins and their sources like grains, wine, coffee, or environmental exposure.

Partially SupportedAn M1 to M2 ratio of approximately 2.5:1 is associated with the best outcomes in amyloid clearance.

Well SupportedKetones are the preferred fuel source for the brain and body.

Well SupportedA diet higher in protein from animal foods with lower intake of vegetables, roots, and seeds may be protective and reduce toxin exposure.

Partially SupportedAmyloid beta plaque clearance from the brain involves insulin degrading enzyme, neprilysin, macrophage clearance, and the glymphatic system.

Partially SupportedThe inability of monocytes to effectively clear amyloid beta plaques via phagocytosis can serve as a surrogate marker for brain processes in Alzheimer's disease.

Partially SupportedIsolation protocols like using liquid nitrogen can minimize oxidation in fish oil supplements.

Partially SupportedType 3 Alzheimer's presentations are typically cortical rather than bi-temporal.

Partially SupportedAddressing type 3 Alzheimer's requires identifying and removing exposure sources like mycotoxins from mold.

Partially SupportedThe response of individuals with the APOE4 allele to ketogenic diets is not considered ideal.

Well SupportedFasting glucose, fasting insulin, and hemoglobin A1C provide complementary information about glycotoxicity and 'type 1.5' diabetes.

Well SupportedAll subtypes of Alzheimer's disease share pathological features like amyloid beta plaques and tau tangles, though presentation can differ.

Partially SupportedDietary carbohydrate intake should be lowered to the lowest tolerable point to maintain fasting insulin below 3-4 IU/mL.

Partially SupportedType 1, Type 2, and Type 1.5 Alzheimer's presentations are typically amnestic and more common with ApoE4, while Type 3 often presents with non-amnestic symptoms.

Partially SupportedPhosphorylation of tau allows it to detach from microtubules, leading to a collapse of the cellular structure.

Well SupportedAmyloid plaques and phosphorylated tau tangles are the two main pathological hallmarks of Alzheimer's disease.

Partially SupportedThe normal function of amyloid beta is important to understand in the context of Alzheimer's disease.

Partially SupportedAlzheimer's disease can be classified as Type 1 (inflammatory/hot) driven by inflammation and pathogens, or Type 2 (atrophic/cold) driven by decreased trophic support.

Partially SupportedThe ReCODE protocol has demonstrated that patients with Alzheimer's disease can return to work and show increases in brain mass.

Well SupportedAmyloid beta may have beneficial antimicrobial and metal chelating properties.

Not SupportedFasting insulin levels between 6-9 micro IU/mL indicate significant insulin resistance.

Partially SupportedCyrex Array 3 can identify antibodies related to gluten and gliadin for gut health assessment.

Not SupportedConsuming food within three hours of bedtime negatively impacts cognition, promotes insulin resistance, and leads to fat storage.

Not SupportedRestricting ketones and lowering carbs can lead to a lack of energy.

Partially SupportedThe Ketoflex 12/3 diet is beneficial for cognition.

Partially SupportedHigh mercury intake from seafood and dental amalgams can contribute to cognitive decline, especially in genetically predisposed individuals.

Limited ResearchIndividuals with good fasting insulin and blood glucose levels may still benefit from a ketogenic diet.

Partially SupportedHigh ERMI scores indicate mycotoxin production and necessitate removal from the contaminated environment.

Partially SupportedBrain-derived neurotrophic factor (BDNF) and NGF levels are critical for maintaining a large network of synapses.

Partially SupportedThe quantified self movement and increased data availability empower individuals to take more responsibility for their longevity and health.

Partially SupportedMeasuring LDL particles and triglycerides is important to ensure dietary changes are beneficial.

Partially SupportedComplex chronic illnesses like Alzheimer's have multiple contributing factors that need to be addressed comprehensively.

Partially SupportedDiet, exercise, and sleep are crucial for health.

Partially SupportedChronic exposure to herpes family viruses like cmv, ebv, hsv, and hhv is frequently observed in patients.

Partially SupportedA comprehensive program addressing metabolism, inflammation, toxic status, lifestyle, sleep, and stress is crucial for improving resilience and health outcomes.

Partially SupportedInsulin resistance in the nervous system is common, indicated by exosomal analysis showing altered IRS-1 phosphorylation.

Partially SupportedType 1 and 1.5 Alzheimer's can be improved with diet, exercise, sleep, and stress management.

Partially SupportedRemoving the underlying causes of amyloid plaque formation should precede the removal of amyloid itself in Alzheimer's treatment.

Partially SupportedType 3 Alzheimer's disease is a toxic form distinct from inflammatory, atrophic, or glycotoxic types.

Partially SupportedA test developed by Professor Milan Fiala measures the phagocytic capacity of peripheral blood mononuclear cells to clear amyloid.

Partially SupportedPathogens such as Borrelia, Bartonella, Babesia, or Ehrlichia, if present, need to be addressed in the context of Alzheimer's treatment.

Partially SupportedHormone levels including pregnenolone, progesterone, estradiol, testosterone, and free T3 should be monitored for optimal brain support.

Partially SupportedLeaky gut contributes to chronic inflammatory conditions and cognitive decline.

Partially SupportedAfter sweating, using a non-emollient soap (e.g., Castile soap) is recommended to prevent re-penetration of toxins.

Partially SupportedIndividuals with cognitive decline are poor at clearing amyloid and tend to maintain it in the body.

Partially SupportedIndividuals experiencing cognitive decline should seek early intervention and consider a high-fat diet.

Partially SupportedA subset of 50 individuals on the ReCODE protocol showed improvement, with results pending publication.

Partially SupportedDiet and exercise are significant drivers of molecular signaling that leads to neurodegeneration.

Partially SupportedInflammation or response to a pathogen can increase amyloid beta plaque formation and retention.

Partially SupportedThe ratio of amyloid beta plaque formation to clearance is critical for brain health.

Partially SupportedKetosis may require a significant increase in saturated fat intake.

Partially SupportedEffective treatment for neurodegeneration requires programmatic approaches.

Partially SupportedKetones spare glucose, which is used to produce NADPH for glutathione, aiding cellular repair.

Partially SupportedDiet, lifestyle, exercise, and sleep are major factors in preventing Alzheimer's disease by reducing inflammation and improving insulin sensitivity and fasting glucose levels.

Partially SupportedReducing hemoglobin A1C and adopting a plant-based diet are beneficial for preventing Alzheimer's disease.

Partially SupportedImproved insulin sensitivity and reduced high blood glucose levels, associated with ketogenic diets, mitigate inflammatory processes that can harm the brain.

Partially SupportedAfter achieving insulin sensitivity, it is recommended to shift back towards monounsaturated and polyunsaturated fats for heart health.

Partially SupportedMercury exposure from tuna sushi and dental amalgams can contribute to Alzheimer's disease, especially in poor mercury excretors.

Partially SupportedSauna use is an integral part of protocols for managing sub-optimal metabolism, inflammation, toxic status, lifestyle, sleep, and stress levels.

Partially SupportedImproving brain health involves changing synaptoblastic to synaptoclastic ratio, providing DHA, acetylcholine, Vitamin D, hormones, and BDNF, and reducing chronic exposure.

Partially SupportedSupplementation with omega-3, antioxidants, and vitamin D improved amyloid plaque phagocytosis and, in some ApoE4-negative individuals, cognition.

Partially SupportedFish contain protective compounds beyond DHA and EPA, such as secoiridoids, which may protect against oxidation.

Partially SupportedDHA and acetylcholine are nutritionally required for synapse formation.

Partially SupportedThe Ketoflex 12/3 diet involves a minimum 12-hour fast, with ApoE4 positive individuals needing 14-16 hours and ApoE4 negative individuals needing 12-14 hours.

Partially SupportedIndividuals with very low BMI on the Ketoflex 12/3 diet may need to liberalize carbohydrate intake with foods like sweet potatoes once a week to prevent weight loss.

Partially SupportedOvernight fasting of at least 12 hours is recommended, potentially increasing to 14 hours for ApoE4 positive individuals.

Partially SupportedAlzheimer's disease can be caused by pathogens leading to inflammation and decreased trophic support affecting synaptogenesis.

Partially SupportedIndividuals aged 45 and over should undergo a 'cognoscopy' to assess Alzheimer's risk factors including ApoE4 status, homocysteine levels, methylation issues, inflammation, nutrient deficiencies, and toxin exposure.

Partially SupportedType 1.5 Alzheimer's disease (glycotoxic) is characterized by insulin resistance, leading to inflammation and atrophy.

Partially SupportedMultiple insults and metabolic changes can lead the brain to produce amyloid, and inflammation on top of amyloid production is associated with a worse degenerative process.

Partially SupportedApoE4 positivity confers an advantage in pro-inflammatory environments but increases chronic inflammation risk in non-inflammatory environments, potentially shortening lifespan.

Partially SupportedAlzheimer's disease is complex, influenced by environmental, dietary, and nutritional factors, making single monotherapy approaches ineffective.

Partially SupportedTau is a mediator, not the primary cause, of Alzheimer's disease, influenced by genetics, pathogens, toxins, metabolic changes, and the innate immune system.

Partially SupportedImproving brain atrophy (Type 2 Alzheimer's) may require bio-identical hormone replacement and optimized brain support.

Partially SupportedThe ReCODE protocol aims for the reversal of cognitive decline and has shown improvement in over 3,000 individuals.

Partially SupportedA cyclic ketogenic diet has shown improvements in healthspan, cognitive function, and brain aging in animal studies.

Partially SupportedZinc deficiency is common globally and can be exacerbated by poor gastric acidity and high copper intake.

Partially SupportedCopper can generate free radicals due to its D orbital electron, potentially contributing to oxidative stress.

Partially SupportedCells can switch between a pro-inflammatory state (NF-KappaB-mediated) and an anti-inflammatory state (SIRT1-involved).

Partially SupportedA lack of resolution leads to a chronic inflammatory state.

Partially SupportedIncreased prevalence of mold-related illness is linked to the use of fungicides and the presence of leaks in buildings.

Partially SupportedAmyloid beta plaques may act as a protectant in response to pathogens and are a mediator, not the primary cause, of Alzheimer's disease.

Partially SupportedOpt for pastured chicken, grass-fed beef, and wild-caught fish, avoiding farmed fish and high-mercury fish.

Partially SupportedHerpes viruses can induce amyloid production, potentially contributing to Alzheimer's disease.

Partially SupportedBalancing MCT oil and monounsaturated/polyunsaturated fats is important for optimizing cardiovascular and cognitive outcomes, while maintaining LDL particle number below 1000.

Partially SupportedExposure to dementogens like mercury, certain organic compounds, and biotoxins can contribute to cognitive decline.

Partially SupportedAn EPA Relative Mold Index (ERMI) score below two is recommended to avoid mycotoxin exposure.

Partially SupportedGenerating endogenous ketones is the optimal way to achieve ketosis if possible.

Partially SupportedThere may be a transport defect in DHA crossing the blood-brain barrier in individuals with ApoE4.

Partially SupportedMonounsaturated and polyunsaturated fats are associated with better cardiovascular and cognitive outcomes.

Partially SupportedGut health is a critical factor in complex chronic diseases like Alzheimer's and multiple sclerosis.

Partially SupportedA low-carbohydrate, ketogenic diet can lead to low energy if it starves the brain of glucose.

Partially SupportedSalmon, mackerel, anchovies, sardines, and herring are recommended for consumption.

Partially SupportedSugar is a toxin to which humans are exposed, often from various foods.

Partially SupportedA high-fat diet has been beneficial for many individuals.

Partially SupportedOptimal vitamin D levels are desired, not just levels within the broad 'normal limits'.

Not SupportedEating within very small windows of sleep and fasting can be harmful and increase risk.

Partially SupportedMany individuals have suboptimal metabolism due to 20th-century assumptions about processed foods and sugar consumption.

Partially SupportedA shift to fat-based metabolism involves producing less inflammatory compounds, reducing glucose reliance, and developing metabolic flexibility.

Partially SupportedHuman physiology is not adapted to consume the high amounts of simple carbohydrates typically encountered in modern diets.

Partially SupportedThe benefit of a ketogenic diet for an individual is determined by trying it.

Partially SupportedSwitching to a fat-based metabolism too quickly can result in 'keto flu'.

Partially SupportedA diet of 70% fat, potentially using MCT oil or coconut oil, is recommended to raise ketone levels.

Partially SupportedExposure to toxins, particularly mycotoxins from molds, can contribute to cognitive decline.

Partially SupportedHistory of head trauma and vascular compromise are critical factors for assessing cognitive health.