I'm not a scientist, and don't claim to be a doctor.

However, I noticed, what do they do when they want to see where the cancer is? They bind a tracer to sugar and see where it goes. It goes straight for the cancer.

That tells this person, with some common sense and no medical knowledge, that sugar feeds cancer cells. That also tells me that perhaps, to help prevent cancer, lowering your sugar might starve would-be cancer cells.

I'd like to see some scientific studies on that.