Evolution is ultimately why cancer is so deadly. Take two biopsies from different sides of a tumor, and they can be genetically very different, making it that much harder to fight. Variation is the toolbox of evolution, and this variation gives cancer strength

Evolution is ultimately why cancer is so deadly. Take two biopsies from different sides of a tumor, and they can be genetically very different, making it that much harder to fight. Variation is the toolbox of evolution, and this variation gives cancer strength (Kyle Hill)