Rhonda Patrick: Can high blood glucose levels shrink your hippocampus?

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Peer-Reviewed Research
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Rhonda Patrick

Video Summary · June 16, 2026

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Key Takeaways

  • Monitor fasting blood glucose even if you’re in the normal range – higher-normal levels correlate with hippocampal atrophy
  • Optimize glucose regulation through diet and lifestyle to protect brain health and memory function
  • Prioritize hippocampal health by maintaining lower-normal blood glucose levels (70-85 mg/dL fasting range is ideal)

Notable Quotes

“If they were on just the higher end of that normal range, those individuals had increased hippocampal brain atrophy compared to people that were in the low range, normal range.”

Bottom Line

Take action to maintain optimal blood glucose levels (not just “normal” levels) to prevent hippocampal shrinkage and protect memory function.

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Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.

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