In short .. Cure of reason, lemon, maple syrup,… one diet of rice, apples,… dissociated diets, vegetarian, fasting, etc. how to navigate among the multitude of existing health cures, all of which have many successes to their credit? Taking Johanna Brandt's reason cure as an example, this book explains what are the healing processes generated by these cures. It allows everyone to choose the one that suits them and to adapt it to their personal needs. The important question of the curative crises which occur during the severe diets is developed in an exhaustive way. The second part of this book contains the famous work “La cure de raisin” by Johanna Brandt.