The Breuss Cancer Cure: Advice for the Prevention and Natural Treatment of Cancer, Leukemia, and Other Seemingly Incurable Diseases Breuss? book theorizes that cancer feeds and grows on protein, and that fasting, therefore, could detoxify and cleanse the body, while starving the cancer The Breuss Total Cancer Treatment is a very rigid diet of fruits, vegetables and herbs Excellent source of Potassium Suited to fasting regimens