I was passed this book when my friend was diagnosed with terminal cancer and given 4 months to live. 10 weeks later, after following the advice a tumour has disappeared and the primary tumour has halved. It is true it is applying common sense, you truly are what you eat but it also provides you with other alternative methods i.e. apricot kernals, B17 treatments, the foods you should eat when you are fighting cancer.
If you want to read it and take on board the advice given what do you have to lose, if you don't then don't. It is all about informed choices and I for one whole heartedly endorse this book. He does not tell you to stop the conventional medicine, that is your choice, but he does tell you how to help yourself, the power of positive thinking and being in control is a mental cure in itself. Buy it, try it, decide yourself.