AUTHOR=Blaak Ellen E. , Roche Helen M. , Afman Lydia A. TITLE=Editorial: Personalized Nutrition JOURNAL=Frontiers in Nutrition VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2021.669307 DOI=10.3389/fnut.2021.669307 ISSN=2296-861X