{ https://www.sciencealert.com/concerns-emerge-over-potential-cancer-links-to-drugs-like-ozempic }. This new report of possible link between Ozempic and cancer supports my prior theory of cancer risk associated with long term ingestion of biomolecules produced by certain bacteria and fungi by direct nourishing with C4 carbohydrates from corn and sugar cane sources and indirect nourishing with amino acids that were produced by bacteria and fungi C4 carbohydrates from corn and sugar cane sources. I have published theory of such fermentative processes with glucose and fructose as nutrients and use of microbial activities on corn and cane sugars for causing cancer and other diseases. Please see { https://www.ej-physics.org/index.php/ejphysics/article/view/187 }, where I focuses more on artificial sweeteners like aspartame produced by fermentation involving microbe sugar sources and link to cancer . Therein I also noted similar reason for possible cause of cancer and disease from MSG and insulin by microbial processes involving these C4 sugar sources. Ozempic is a peptide that was derived from Gila monster lizard and bioengineered using DNA injected in some different bacteria and fungi to produce the modified peptide ( GLP-1 molecule (semaglutide)) on industrial scale. I have in general by my theory determined the increased possibility of cancer from over indulgence in sugar from C4 plants like corn and sugar cane over years and years. But just as biomolecules can more likely anabolize 13C from corn and sugar cane metabolism in humans for causing cancer and disease, by my theory it follows that using microbes metabolizing corn and cane sugar as food also enriches 13C in the produced biomolecules produced by the microbes. Thereby humans consuming such biomolecules enriched with 13C by the microbes have proclivity for cancer and other diseases. Such biotechnology used to industrially produce Ozempic may enrich the peptide with 13C isotope and may be the reason for the growing possibility of it causing cancer after prolong use.