AUTHOR=Friedland Robert P. , Haribabu Bodduluri TITLE=Neurodegenerative diseases: from gut-brain axis to brain microbiome JOURNAL=Frontiers in Aging Neuroscience VOLUME=15 YEAR=2023 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2023.1171955 DOI=10.3389/fnagi.2023.1171955 ISSN=1663-4365