L'adolescent qui mange peu : quand orienter vers le spécialiste ?

Picky eating, vegetarianism, orthorexia, avoidant/restrictive food intake disorder, and anorexia nervosa are behaviors that can worry parents, change family functioning, and have an impact on a teenager's health. How should the correct diagnosis be made and preliminary assistance be brought, and what signs should be considered? When should one intervene and who should be asked for help?