FoundMyFitness #102 Why Vitamin D Deficiency Accelerates Brain Aging
242 snips
May 21, 2025 Explore the fascinating role of vitamin D as a steroid hormone that regulates a significant portion of our genome. Discover that up to 70% of Americans are deficient, increasing their dementia risk. A groundbreaking study shows that vitamin D supplementation can cut dementia risk by 40%, especially for those with genetic predispositions. Learn how vitamin D affects cognitive function, the importance of optimal blood levels, and why women may benefit more. Uncover insights on how it directly supports brain health and combats aging.
AI Snips
Chapters
Transcript
Episode notes
Vitamin D Cuts Dementia Risk
- Vitamin D supplementation lowers dementia risk by around 40% over a decade.
- This risk reduction also applies to adults with mild cognitive impairment and genetic risk (ApoE4).
Vitamin D's Genetic Role & Deficiency
- Vitamin D is a steroid hormone regulating nearly 5% of the human genome.
- Up to 70% of Americans have deficient or insufficient vitamin D levels.
Supplement to Correct Deficiency
- Take 2,000 to 4,000 IUs of vitamin D daily to correct deficiency.
- Sun exposure is limited by sunscreen, skin pigmentation, age, and latitude, so supplements are essential.