High-Dose Vitamin D Linked to Better Cognition in Study
Adults struggling with both sleep disturbances and mild cognitive impairment (MCI) may find a path to improved brain function through high-dose vitamin D supplementation. A study of 54 participants, published in the October 2026 issue of the journal Sleep Medicine, offers a promising signal: those consuming 5,000 international units (IU) or more of vitamin D … Read more