Diagnostic criteria

As of January 2007, two peer-reviewed studies have been published on the condition. In the studies, Donini et al. define orthorexia nervosa as a "maniacal obsession for healthy foods" and propose several diagnostic criteria. Sufferers of orthorexia often display symptoms consistent with obsessive-compulsive disorder and have an exaggerated concern with healthy eating patterns. Like anorexia, however, these obsessive compulsive symptoms may be an effect of starvation rather than a cause of the disorder. A diagnostic questionnaire has been developed for orthorexia sufferers, similar to questionnaires for other eating disorders. Bratman proposes an initial self-test composed of two direct questions: "Do you care more about the virtue of what you eat than the pleasure you receive from eating it?... Does your diet socially isolate you?". Other questions concerning those who may be suffering from orthorexia provided by Davis on the WebMD (2000) website are: Do they spend more than 3 hours a day thinking about healthy foods? When they eat the way they're supposed to, do they feel in total control? Are they planning tomorrow's menu today? Has the quality of their life decreased as the quality of their diet increased? Have they become stricter with themselves? Does their self-esteem get a boost from eating healthy? Do they look down on others who don't eat this way? Do they skip foods they once enjoyed in order to eat the "right" foods? Does their diet make it difficult for them to eat anywhere but at home, distancing them from family and friends? Do they feel guilt or self-loathing when you stray from their diet? If yes was answereed to two or more questions, the person may have a mild case of orthorexia.