The ketogenic diet is a natural, nontoxic metabolic therapy being studied and utilized for cancer prevention and treatment. It works because cancer cells are dependent upon a constant supply of blood sugar (glucose) to stay alive. Normal cells can make energy from both glucose and ketones (metabolic by-products of burning fat), but most cancer cells can only use glucose. Avoiding carbohydrates (starch and sugar) while enjoying delicious and healthy protein and fats will lower blood glucose and increase blood-ketone levels, resulting in a normal body state called nutritional ketosis....