Yet despite the often adamant advice, scientists say they really do not know whether dietary changes will make a difference. And there lies a quandary for today's medicine. It is turning out to be much more difficult than anyone expected to discover if diet affects cancer risk. Hypotheses abound, but convincing evidence remains elusive.
Most of the proposed dietary changes are unlikely to be harmful - less meat, more fish, more fruits and vegetables and less fat. And these changes in diet may help protect against heart disease, even if they have no effect on cancer.
The article goes into detail about what is known about diet and cancer, particularly fat and fiber.
Tags: food, health