Metformin, a drug widely used to treat Type II diabetes, may help to prevent primary liver cancer, researchers at the University of Maryland Marlene and Stewart Greenebaum Cancer Center report in the April 1, 2012, issue of Cancer Prevention Research. Primary liver cancer, or hepatocellular carcinoma, is an often-deadly form of cancer that is on the rise worldwide and is the fastest-growing cause of cancer-related deaths among American men.
