This is something I wrote a few months ago that deals with diet and exercise in relation to cancer:
I've been researching cancer since I was in my early 20s. I started researching the metabolic angle after seeing a lecture by Greg Glassman.
As a disclaimer, I make a trivial amount of money if someone buys a copy of Tripping Over The Truth. The main point is not to buy the book, but to watch the carbs and to exercise...as much as possible. Prevention is way easier than getting cancer and trying to survive it.
Low level inflammation is bad, too: