AUTHOR=Ukraintseva Svetlana , Yashin Anatoliy I., Schupf Nicole , Akushevich Igor , Wu Deqing , Holmes Rachel , Arbeev Konstantin G., Duan Hongzhe TITLE=Is being overweight a causal factor in better survival among the oldest old? a Mendelian randomization study JOURNAL=Frontiers in Aging VOLUME=5 YEAR=2024 URL=https://www.frontiersin.org/journals/aging/articles/10.3389/fragi.2024.1442017 DOI=10.3389/fragi.2024.1442017 ISSN=2673-6217