AUTHOR=Clement Gilles , Boyle Richard D. , Gunga Hanns-Christian TITLE=Editorial: The Effects of Altered Gravity on Physiology JOURNAL=Frontiers in Physiology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2019.01447 DOI=10.3389/fphys.2019.01447 ISSN=1664-042X