Diabetes Type Three and Alzheimer’s with Amy Berger

15 Dec 2025 · 25 min
Episode

15 Dec 2025 · 25 min

0:00

Podcast episode (JJ Virgin Lifestyle, May 21, 2017) featuring JJ Virgin interviewing Amy Berger about the concept of Alzheimer's as 'diabetes type 3.' Berger—a US Air Force veteran, certified nutrition specialist and author of The Alzheimer's Antidote—describes research linking Alzheimer's to disturbed insulin and glucose signaling in the brain, highlights chronic hyperinsulinemia as a central, modifiable risk factor (often missed because fasting insulin isn’t routinely measured), and gives target ranges for markers (fasting insulin in single digits, A1C <≈5.4, fasting glucose ~70–110 mg/dL). She explains that impaired brain glucose metabolism can be detected via PET scans decades before symptoms (30s–40s). Prevention-focused recommendations emphasize long-term blood glucose/insulin management (often via lower-carb diets for many people), good sleep, physical activity, vitamin D monitoring, and other lifestyle measures. Episode includes sponsor reads, a listener Q&A about snacks (advocates mini-meal snacks with protein, fat, fiber), and links to a free chapter of Berger's book at jjvirgin.com/amy.

Questions this episode answers

May 21, 2017

The Alzheimer's Antidote

tuitnutrition.com

Chronic hyperinsulinemia (chronically high fasting insulin)

Single digits; under 5 µIU/mL is probably best (mid-to-low single digits acceptable)

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