AUTHOR=Vassalle Cristina TITLE=Editorial: Vitamin D: from pathophysiology to clinical impact JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1572567 DOI=10.3389/fnut.2025.1572567 ISSN=2296-861X