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The study reported lower risks for several cancers, including hepatocellular, colorectal, breast, and prostate cancers, though it did not find a significant reduction in lung cancer risk.25 So the honest answer is this: current human evidence does not show that NAC causes cancer, but animal and mechanistic research suggests NAC could behave differently depending on cancer type, disease stage, dose, and treatment context

We acknowledge the Elettra-Sincrotrone Trieste (Italy) for support in X-ray data collections and the European Synchrotron Radiation Facility for provision of microscope time on CM01

This plant, Welwitschia mirabilis , grows in Namibia in a hot, dry environment

It is marketed as a food or dietary supplement, either alone, or in combination with vitamin C, alpha lipoic acid and other antioxidants