AUTHOR=Frasch Martin G. TITLE=Heart Rate as a Non-Invasive Biomarker of Inflammation: Implications for Digital Health JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.930445 DOI=10.3389/fimmu.2022.930445 ISSN=1664-3224