AUTHOR=Chen Jing , Li Zedong , Liu Hong TITLE=Analysis of study Global Burden of Disease in 2021: global, regional, and national burden of nutritional deficiency from 1990 to 2021 JOURNAL=Frontiers in Nutrition VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2024.1540485 DOI=10.3389/fnut.2024.1540485 ISSN=2296-861X