Heart Doc VIP with Dr. Joel Kahn Episode 469: What to Eat on Thanksgiving and Why
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Nov 25, 2025 Delve into the latest science on diets for longevity, with insights on high-protein versus plant-based eating. Discover the surprising link between high saturated fat intake and Alzheimer's risk. Learn how healthy plant-based diets drastically cut mortality rates and reduce your environmental footprint. The podcast also reveals new research on smoking mortality, gum disease's connection to erectile dysfunction, and the concerning role of microplastics in heart health. Plus, hear fascinating patient stories from the Kahn Center.
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Don't Overload On Protein
- Moderate protein intake and avoid extreme high-protein diets (≈1.8 g/kg/day or more).
- Excess protein, especially from meat, associates with higher all-cause and cardiovascular mortality in older adults.
Quality Matters In Plant Diets
- Healthy plant-based diets associate with lower all-cause and heart disease mortality.
- Only the high-quality plant diet pattern produced the protective effects in the Korean cohort.
Saturated Fat May Raise Alzheimer's Risk
- High saturated fat diets increase Alzheimer's risk independent of obesity or insulin resistance.
- Saturated fats appear to inflame the brain and impair memory via specific inflammatory pathways.