AUTHOR=Ramadan Majed , AlGhamdi Shadell , Alsiary Rawiah TITLE=Analyzing the cancer mortality-to-incidence ratios and health expenditures in the aging population: a 20-year comparative study across high-income countries JOURNAL=Frontiers in Aging VOLUME=6 YEAR=2025 URL=https://www.frontiersin.org/journals/aging/articles/10.3389/fragi.2025.1506897 DOI=10.3389/fragi.2025.1506897 ISSN=2673-6217