[Prescribing a change in food behavior].

Four approaches are described: nutrition counseling, diet, therapeutic lifestyle interventions and cognitive-behavioral therapies, of which the common objective should be patient therapeutic education. Multidimensional programs combine in a positive fashion several aspects of the previous strategies. The role of various health professionals is analyzed within the care continuum driven by the referring physician. The management of nutrition disorders requires patient-focused medicine; it should be comprehensive and, as far as possible, multidisciplinary. Nutritionists have a role to play in this continuum.