AUTHOR=Venero César , Grippo Angela J. , Lai Julian C. L. TITLE=Editorial: Endocrinology of loneliness and social isolation JOURNAL=Frontiers in Behavioral Neuroscience VOLUME=16 YEAR=2022 URL=https://www.frontiersin.org/journals/behavioral-neuroscience/articles/10.3389/fnbeh.2022.978386 DOI=10.3389/fnbeh.2022.978386 ISSN=1662-5153