Nagalase is a protein made by all cancer cells and viruses (HIV, hepatitis B, hepatitis C, influenza, herpes, Epstein-Barr virus, and others). Its formal, official chemical name is alpha-N-acetylgalactosaminidase, but this is such a tongue-twisting mouthful of a moniker that we usually just call it “Nagalase.” (Sometimes, when I want to impress friends with my brilliance, I’ll say the entire word real fast: “alpha-N-acetylgalactosaminidase.” I have found that it’s important to practice beforehand if one doesn’t want to embarrass oneself.)

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