There’s no one food that can cure cancer, but that doesn’t stop such myths from circulating. And while researchers are starting to find some links between nutrition and cancer, more research is needed.

The ketogenic diet – also called the keto diet -- is among those diets rumored to cure cancer. We talked to Maria Petzel, a senior clinical dietitian at MD Anderson, to learn more. Here’s what she had to say.

What is the keto...