The vertebrates traditionally include the hagfish, which do not have proper vertebrae, though their closest living relatives, the lampreys, do. Hagfish do, however, possess a cranium. For this reason, the vertebrate subphylum is sometimes referred to as  Craniata  when discussing morphology.
Kitchari is an Indian dish often used for cleansing. When used alone as a mono-diet, it's called a kitchari cleanse, but it can be used in conjunction with other wholesome foods as a part of a cleansing diet. The link above has several different kitchari recipes.
The Centers for Disease Control, however, say the efficacy of this method is on a par with rain dancing. Now understand, I'm not saying you're GUARANTEED to get worms if you eat sushi, or, for that matter, sashimi, ceviche, or some other type of raw fish cuisine. Think of it as kind of a remote threat, like nuclear war.