Greek anoreksia anoreksias: lack of appetite ( an: no, no and oreksis orekseos: desire to eat, appetite 41. The word began to be used at the end of the 18th century by the French physician François Boissier de Sauvages, although it was from the end of the 19th century when the psychiatrists adopted this term to describe a mental disorder which inappetence is psychological fear to gain weight. Starting from the second half of the 20th century, some doctors have begun to consider this problem as an epidemic that affects many adolescents in the countries of the developed world.
