Sure, humans are basically a cancer on the earth (they are mutated primates that reproduce uncontrollably and without regard for the rest of the cells/organisms) and they can get cancer. This brings us to the question: can you treat cancer with cancer?
>>11782364>damaged cellsThis is just your value judgment; it is essentially just how you feel about cancer. It's a speech act: "boo to cancer!" Values are not objective, and even if they were, humans would not know about this.