The purpose of this book is to prove that cancer is a consequence of vitamin deficiency and is caused not by the presence of bacteria and viruses, but by the lack of necessary substances that a person has removed from the diet. If this is true, then the treatment and prevention of cancer is simple - you just need to restore a healthy diet. It's incredible. This means that billions of dollars allocated annually for cancer research could have been used for other purposes. But this means that millions of "professionals" currently employed in the field of cancer research would quickly lose their jobs.