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The Primal Podcast

Ep 109 - Dr Johnson | Prevent Dementia & Alzheimer's Disease (AVOID THIS FOOD)

Jan 19, 2025
Dr. Richard Johnson, a Professor at the University of Colorado Denver, is renowned for his groundbreaking research on fructose and its links to obesity and Alzheimer’s. In this discussion, he reveals how Alzheimer’s is now dubbed 'type 3 diabetes' due to its ties with insulin resistance. Johnson proposes a radical new hypothesis connecting high fructose intake to cognitive decline. With insights into the evolution of our sugar consumption and its harmful effects, he shares compelling dietary strategies to combat these risks and improve brain health.
01:17:41

Episode guests

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Quick takeaways

  • The link between Alzheimer's disease and insulin resistance highlights the importance of metabolic health in cognitive decline prevention.
  • Dr. Johnson's hypothesis emphasizes the detrimental effects of excessive fructose consumption on brain health and memory function.

Deep dives

Fructose and Cognitive Decline

Diet, particularly the consumption of fructose, significantly impacts cognitive health and is linked to Alzheimer's disease. Studies indicate that fructose levels in the brains of Alzheimer's patients are five to six times higher compared to those without the disease, leading to cognitive dysfunction. Foods high in simple sugars, such as pancakes, bread, and cereals, can exacerbate these issues by promoting inflammation and insulin resistance, which are key factors in the development of Alzheimer's. Therefore, limiting sugar intake is crucial for maintaining cognitive function and potentially preventing the onset of Alzheimer's.

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