TY - RPRT TI - Brain B Vitamin Status and One-Carbon Metabolism Gene Polymorphisms are Associated with Cognitive Impairment in Alzheimer's and Parkinson's Disease AU - Kalecky, K. AU - Castaneda-Gill, J. AU - Patel, S. AU - Bottiglieri, T. PY - 2026 DO - 10.64898/2026.04.22.719490 UR - https://www.biorxiv.org/content/10.64898/2026.04.22.719490v1 ID - 10.64898/2026.04.22.719490 ER -