#102 Why Vitamin D Deficiency Accelerates Brain Aging
Mittwoch, 21. Mai 2025 · 17 min
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Shownotes
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Vitamin D is far more than just a vitamin—it's a potent steroid hormone regulating nearly 5% of our genome. Yet, remarkably, up to 70% of Americans aren't getting enough, placing them at increased risk for dementia and Alzheimer's disease. In this episode, I explore compelling new evidence from a study involving over 12,000 participants, demonstrating that vitamin D supplementation can reduce dementia risk by an impressive 40%, protecting even adults with genetic Alzheimer's risk (ApoE4 carriers).
Timestamps:
• () Can vitamin D supplements reduce dementia risk?
• () How common is vitamin D deficiency?
• () What studies reveal about genes, vitamin D, and dementia
• () Does deficiency accelerate brain aging?
• () Can vitamin D supplementation enhance cognitive function?
• () Dementia risk reduction insights from 12,388 adults
• () Why women may benefit most
• () Normal vs. impaired cognition—who benefits more from vitamin D?
• () Do ApoE4 carriers get dementia protection from vitamin D?
• () How mild cognitive impairment affects dementia risk
• () Does the form of vitamin D matter?
• () What are the optimal vitamin D blood levels?
• () What dose corrects deficiency?
• () How vitamin D directly supports brain function
Watch this episode on YouTube (youtube.com/watch?v=tpFOA1AUFCk)
Show notes are available by clicking here
The study discussed: Vitamin D supplementation and incident dementia: Effects of sex, APOE, and baseline cognitive status
