Cancer Cell, Virus and Parasites: The Same Metabolism. A Coincidence?

Cancer cells share with latent oncogenic viruses and carcinogenic parasites the same fundamental metabolic mechanisms: iron dependency, the Warburg effect, constitutive NF-kB activation, biofilm and protective matrix formation, and immune evasion. This document presents a systematic point-by-point comparison between the molecular mechanisms of latent viruses (HPV, EBV, HBV, HCV, HHV-8) and cancer cells, documented with peer-reviewed references from Nature, Cell, JAMA, NEJM, Lancet. Twelve dual-action substances — antiviral and anticancer through the same molecular pathway — are identified as pharmacological proof of direct causality. Carcinogenic parasites (Schistosoma haematobium, Opisthorchis viverrini, Clonorchis sinensis) confirm the framework in specific geographic regions, showing the same iron/glucose metabolism and the same chronic inflammatory pathway. The identical biological signature across three distinct entities — virus, parasite, cancer cell — is not a coincidence. It is a causal signature.