AUTHOR=Phua Teow J. TITLE=The human biological clock and aging—a comprehensive approach integrating reductionism, holism, and geromedicine for proactive healthspan strategies JOURNAL=Frontiers in Aging VOLUME=Volume 6 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/aging/articles/10.3389/fragi.2025.1658952 DOI=10.3389/fragi.2025.1658952 ISSN=2673-6217