Why Isn't Fasting Used More to Treat Cancer?

Two weeks of fasting boosts the bloodstream's ability to kill off cancer cells by 24%. Fasting is said to improve anti-cancer immunosurveillance, or more poetically, stimulate the appetite of the immune system for cancer. Until recently, fasting therapy was not considered to be a treatment option in cancer. Maybe our loss of appetite when we get cancer is even a protective response.