Many herbalists and nutritionists agree that fresh fruit and vegetable-based diet can be a great way to fight certain forms of cancer -- but how about calorie reduction in addition to eating well?

A report in the Nutrition & Metabolism journal has stated that a a calorically restricted ketogenic diet decreases the growth of malignant brain tumors in mice. As usual, we can always ask -- can this apply to human subjects?

Ketogenic diets are very high in fat and are generally used in cases of epilepsy patients instead of cancer fighting -- but not in this case.