AUTHOR=Moldasheva Aiman , Surov Vladimir , Aljofan Mohamad TITLE=Editorial: New lights Through Old Windows: Metformin and Derivatives as Anti-Cancer Treatments JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.889642 DOI=10.3389/fphar.2022.889642 ISSN=1663-9812