Luis CayuelaCarlos M. GarcíaSusana Sainz de la MazaAurelio Cayuela2026-03-222026-03-22202510.1016/j.nrleng.2025.04.010https://doi.org/10.1016/j.nrleng.2025.04.010https://andeanlibrary.org/handle/123456789/77236Our results provide the most recent prevalence data for MS and the geographic patterns at the ACs level in Spain, revealing a north-south gradient. Our results pave the way for future strategies to manage the impact of MS in Spain and to understand causal hypotheses.enMultiple sclerosisPrimary carePrimary (astronomy)MedicineDatabasearticle