There are no controlled trials that suggest that any specific diet interventions assist curing cancer . Many diets such as the macrobiotic diet, Gerson therapy and the Gonzalez protocol claim to cure cancer; there is no evidence that substantiates these dubious claims. Dietary interventions that may be of help should be directed at maintaining appropriate calorie and protein intake to prevent malnutrition in cancer patients . Nutrition status can affect a cancer patient's surgical outcomes, QOL, complication rates and tolerance of therapy .
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