The psychopathology of eating disorders changed across time under the influence of environmental factors, determining the emergence of new phenotypes. Some of these conditions are still under investigation and are not clearly identified as independent diagnostic entities. In this review, the historic evolution of the eating disorder concept up to the recent Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, has been evaluated. We also examined literature supporting the inclusion of new emergent eating behaviors within the eating disorder spectrum, and their relationship with anorexia, autism, and obsessive—compulsive disorder. In particular, we focused on what is known about the symptoms, epidemiology, assessment, and diagnostic boundaries of a new problematic eating pattern called orthorexia nervosa that could be accepted as a new psychological syndrome, as emphasized by an increasing number of scientific articles in the last few years. Le Grange et al, 3 in a nationwide study in the US, reported that Conversely, by using DSM-5 criteria, many of these individuals will be returned to a diagnosis with a greater clinical utility.
Before the ‘s, most people had never heard of anorexia nervosa. Since then this mysterious and frightening eating disorder, which afflicts primarily teen-age girls and young women who diet to the point of near starvation, has received a great deal of attention, creating the impression that it is a new phenomenon. Actually, anorexia nervosa is known to have existed for more than a century. She said she expects it to be published next year. In the 19th century, doctors did not find anorexia nervosa uncommon. Many agreed they had seen it. Physicians in the United States and France also reported seeing anorexia nervosa around the same time. Today anorexia nervosa affects young women in all strata of society, but in the Victorian era it was an ailment of the middle and upper-middle classes.
In addition, people with anorexia nervosa have a distorted evaluation of their own weight and body shape. British Medical Association. Gull noted that her emaciated appearance was more extreme than normally occurs in tubercular cases. A full and sustainable recovery from anorexia and other eating disorders is possible with the right treatment. Theor Med. Among the earliest cases that bear a clear resemblance to modern bulimia nervosa is the case of Nadia, described by Pierre Janet in