Eggs and Alzheimer’s: New Study Challenges Assumptions

Eggs and Alzheimer’s: New Study Challenges Assumptions

From Metabolic Mind by Bret Scher

May 20, 2026 · 8 min

About this episode

Dr. Bret Scher discusses a new study linking egg consumption to dementia risk and challenges existing assumptions about eggs and health.

A new study suggests that eating more eggs may be linked to a lower risk of dementia. But what does the research actually show? Dr. Bret Scher breaks down the headlines, the limitations of observational nutrition research, and the surprisingly important detail hidden in the baseline data. The people eating the fewest eggs entered the study with what many would consider “healthier” lifestyles: 👉 Lower BMI 👉 More exercise 👉 Less smoking 👉 Higher education levels Yet they showed worse dementia outcomes than the highest egg consumers. That doesn’t prove eggs prevent dementia. But it does challenge the long-standing narrative that eggs are harmful, especially when the bias in the study appeared to work against egg consumption from the start. Dr. Scher also explores: 🥚 Why observational nutrition studies can be misleading 🥚 The concept of “healthy user bias” 🥚 Why dietary cholesterol and heart disease risk are not the same thing 🥚 The nutrient density of eggs, including protein, choline, and healthy fats 🥚 Why the decades-long fear of eggs may not hold up under scrutiny This conversation is a reminder that nutrition science is often more nuanced than headlines make it seem…

People in this episode

Host: Dr. Bret Scher

Topics covered

  • eggs
  • Alzheimer's
  • dementia
  • nutrition research
  • healthy user bias
  • dietary cholesterol

Keywords

  • eggs
  • Alzheimer's
  • dementia
  • nutrition
  • observational research
  • cholesterol
  • healthy fats

Mentioned in this episode

Organizations: Baszucki Group Medical

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