I hear similar concerns from patients. I explain that there is no sound scientific evidence that eating sugar feeds their tumors. There are a lot of anecdotal stories about this, but nothing that I find compelling or convincing. I encourage patients to eat a balanced, healthy diet (including dessert or sweets in moderation if they want them). Occasionally, we have patients on very strict diets who lose a significant amount of weight. We discourage this practice since some treatments contribute to weight loss.
Anyone else have suggestions?