When it comes to a healthy diet, or also a rational diet, then today we are not bound in only one direction. We have a myriad of diets that have proven to be healthy and we can teach them (Primal, Paleo, RAW, veganism, etc.). Publications already exist for almost all directions, so why not use it as valuable textbooks?
We have countless dietary directions that have proven to be beneficial to health and we can teach them (Primal, Paleo, RAW, veganism, etc ...).