AUTHOR=Tetz George TITLE=Editorial: Neurodegenerative diseases: From gut-brain axis to brain microbiome JOURNAL=Frontiers in Aging Neuroscience VOLUME=14 YEAR=2022 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2022.1052805 DOI=10.3389/fnagi.2022.1052805 ISSN=1663-4365