AUTHOR=Isaradech Natthanaphop , Sirikul Wachiranun TITLE=Digital health tools applications in frail older adults—a review article JOURNAL=Frontiers in Digital Health VOLUME=7 YEAR=2025 URL=https://www.frontiersin.org/journals/digital-health/articles/10.3389/fdgth.2025.1495135 DOI=10.3389/fdgth.2025.1495135 ISSN=2673-253X