AUTHOR=Colberg Sheri R. TITLE=Why Glucagon Matters for Hypoglycemia and Physical Activity in Individuals With Type 1 Diabetes JOURNAL=Frontiers in Clinical Diabetes and Healthcare VOLUME=3 YEAR=2022 URL=https://www.frontiersin.org/journals/clinical-diabetes-and-healthcare/articles/10.3389/fcdhc.2022.889248 DOI=10.3389/fcdhc.2022.889248 ISSN=2673-6616