AUTHOR=Liu Lihui , He Yisong , Huang Gang , Zeng Yangxi , Lu Jiaan , He Ru , Chen Haiqing , Gu Yuheng , Hu Qingwen , Liao Bin , Wan Juyi TITLE=Global burden of ischemic heart disease in older adult populations linked to non-optimal temperatures: past (1990–2021) and future (2022–2050) analysis JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1548215 DOI=10.3389/fpubh.2025.1548215 ISSN=2296-2565