AUTHOR=Ulloque-Badaracco Juan R. , Alarcon-Braga Esteban A. , Hernandez-Bustamante Enrique A. , Von-Koeller-Jones Beatrix M. , Huayta-Cortez Miguel , Saavedra-Custodio Esduardo , Herrera-AƱazco Percy , Benites-Zapata Vicente A. TITLE=Vitamin B12, folate, and homocysteine levels in children and adolescents with obesity: a systematic review and meta-analysis JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1481002 DOI=10.3389/fpubh.2025.1481002 ISSN=2296-2565