As per Rahimis (83) findings, it has been observed that the endothelium possesses tightly specialized cell-to-cell junctions, which function as a selective barrier to impede the passage of macromolecules
A 2026 UK review of the April 2026 Galway/Boston study linking higher midlife vitamin D to lower Alzheimers tau years later, the classic Littlejohns 2014 dementia cohort (122% higher risk when severely deficient), the genuinely mixed VitaMIND and Finnish Vitamin D supplementation trials, the vitamin D receptorCREBTrkBBDNF mechanism, NHS 25(OH)D thresholds and the 10 g rule, UK winter risk groups and why testing and correcting vitamin D comes first, not a peptide Read the full review Nutritional & Metabolic Neuroscience 8 June 2026 Dihexa for Iron Deficiency & Anaemia Brain Fog: Low Ferritin, the 2025 Perimenopause Iron Study, Dopamine, Myelin & the 2026 UK Review Can Dihexa help iron deficiency or anaemia brain fog
Vascular dark circles result from thin periorbital skin (thinnest on body at 0.5mm vs 2mm average facial skin) allowing visualization of underlying blood vessels and pooled deoxygenated blood appearing blue-purple through skin surface
Clinical Update 11/20/2025 DMSO for Pain: Does it Work
