https://jvq.net/tags/vitamin-d/ Recent content in Vitamin D on JVQ.net: Just Very Quick Hugo en-us Thu, 09 Apr 2026 00:00:00 +0000 https://jvq.net/vitamin-d-in-your-30s-and-40s-affects-your-brain-decades-later/ Thu, 09 Apr 2026 00:00:00 +0000 https://jvq.net/vitamin-d-in-your-30s-and-40s-affects-your-brain-decades-later/ <p>16-year study. ~800 people. Higher Vitamin D levels in midlife → lower tau protein levels later. Tau buildup is associated with Alzheimer&rsquo;s and other forms of cognitive decline.</p> <p>The implication is that the decisions you make in your 30s and 40s are already shaping what your brain looks like at 60 and 70.</p> <p>Vitamin D is cheap. Sunlight is free. The study design isn&rsquo;t perfect but it&rsquo;s hard to argue against checking your levels.</p>