Although this is a complex topic, there are some general considerations that should be discussed. I have seen the diet recommendations from the American Cancer Society. Some of it is good information, but a lot of it may be vague and somewhat misleading. There is no real rationale for the things that they say in their recommendations. It doesn’t give a patient any sort of framework with which to evaluate information. It looks like the patient will have to do his own research to reach an understanding.
The first thing I noticed when looking through the information is that they did not discuss the relationship between cancer cells and sugar. It has been known for years that sugar feeds tumors! This is because they operate on anaerobic (non-oxygen) respiration to produce their energy. Normal cells rely on aerobic (oxygen) respiration to produce energy. Sugar directly feeds tumors (especially simple sugars and refined sugars). If you’re a cancer patient, it would make sense to eliminate processed sugars from your diet. This has been known for quite some time.
Recently, it has been shown that Vitamin D supplementation drastically reduces the probability that a person will be diagnosed with cancer. Although this is a preventative, it would probably be a good idea for one to supplement this nutrient.
Antioxidants have also been known to reduce the incidence of cancer in people. It would appear to make sense for cancer patients to increase their intake of antioxidants. Vitamins A, C and E are great antioxidants. Co-Q-10 (ubiquinone) is also a good antioxidant, and is especially good for the heart. Grape Seed Extract is an antioxidant that is many times more powerful than the vitamins. Some of them are strong, and it would be a good idea to confer with your health practitioner, especially if you are taking some form of conventional cancer treatments because antioxidants may conflict with the action of radiation or chemotherapeutic agents.
Contrary to popular belief, strict vegetarian diets are probably much better for cancer patients than those containing animal products. Many meats are contaminated with chemicals, hormones, and antibiotics, which are given to the animals during their cultivation. These chemicals are then ingested by us. In addition to this chemical exposure, the animal proteins and other elements from these meats tend to make us unhealthy. Historically, mankind was mostly herbivorous, and meat was eaten very sparingly. However, as people and society improved, meat became the main staple of the diet, and with that change, the chronic disease incidence levels increased as well. In fact, it has been observed that as societies become more affluent and adopt the carnivorous diet habits, their rates of chronic diseases (such as heart disease, diabetes, and cancer) have increased as well.
It would do the cancer patient well to be diligent in her study of diet and its effect upon health and cancer. The old saying is that ‘you are what you eat’. You can’t overestimate the importance of your diet and its effect upon your level of health. To improve your health, improve your diet.