I'm not sure what you're implying by telling me about Ava's death. The disease protocols I've read for cancer treatment are very specific and way above the daily high doses Pauling recommended. It's hard to extrapolate from one case you present here w/o much info. Especially since I know of doctors who use this therapy for their own family members.
But on this note of ways to help your body fight back against diseases like cancer - ultimately, the best cure is beefing up your internal defense force. Your immune system. Vitamin C is extraordinary - used as a communication molecule and weapon in the war against illness.
But there are also some very simple and easy immune boosters most of us overlook: Laughter and sleep.