How Certain Foods Can Assist Chemotherapy We can’t talk about all the positive effects some foods have on cancer prevention without addressing the cancer patient who is actually on a standard medical treatment, such as chemotherapy and radiation therapy.  Cancer patients often want to switch their diets while on standard treatments because they heard about the positive effects certain foods have on cancer prevention. Indeed, certain foods attack cancer cells in similar ways as chemo drugs. Chemotherapy and radiation kill cancer cells by destroying their DNA. As you may recall from high school biology, DNA is the “manna of life” for a cancer cell, allowing the cell to grow and produce new cells. When cancer cells are hit with a dose of chemotherapy they can certainly fight back!  They fix the damage to their DNA. If they are faster at fixing the DNA