Researchers at MD Anderson are conducting both human and animal studies of the effects of diet, including the ketogenic diet, on cancer. The low-carbohydrate, high-fat ketogenic diet has become hugely popular over the last few years. For many people, the keto diet — including variations such as keto cycling or the less restrictive lazy keto — has become the go-to eating plan for weight loss and fighting disease. Two years ago, I interviewed cancer specialist Dr. Patrick Hwu of MD Anderson in Houston about his research into what he calls the “fat-burning metabolism diet”, or fat-burning diet. Hwu, a tumor...