How to Protect Yourself Against Cancer With Food: "Once a rare disease, cancer is now widespread, affecting as much as one-third of the population. The rise in cancer in the West has paralleled the rise in factory farming and the use of processed foods containing vegetable oils and additives.
Orthodox methods for treating cancer (radiation and chemotherapy) do not prolong life. The best approach to cancer is prevention.
Traditional diets, containing animal and plant foods farmed by nontoxic methods, are rich in factors that protect against cancer. Many of these protective factors are in the animal fats.
Vegetarianism does not protect against cancer. In fact, vegetarians are particularly prone to cancers of the nervous system and reproductive organs."
Please see full article at link above for a list of nutrients and Anti-Nutrients found in whole versus processed foods.