AUTHOR=Arnold Amy C. , Rahmouni Kamal TITLE=Editorial: Methods and applications in metabolic physiology JOURNAL=Frontiers in Physiology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2023.1156826 DOI=10.3389/fphys.2023.1156826 ISSN=1664-042X