Yes, cancer can't burn fats and protein, they doing seem to have the ability to switch on those genes. Fasting and avoiding sugars and carbs I'd how to weaken cancer cells. Only if you have sufficient body fat should you fast. The anti-parasitics can deliver the fatal blow to kill the cancer after being weakened. I never understood why treating cancer was done with carcinogenic drugs and ionizing radiation. Always seemed like a bad idea.