AUTHOR=Galgani Jose E. , Bergouignan Audrey , Rieusset Jennifer , Moro Cedric , Nazare Julie-Anne TITLE=Editorial: Metabolic Flexibility JOURNAL=Frontiers in Nutrition VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.946300 DOI=10.3389/fnut.2022.946300 ISSN=2296-861X