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This week summarizes some new studies looking at autism traits and autism diagnosis in girls with anorexia nervosa. While the two disorders may seem different on the outset, they do share some behavioral features. Unfortunately, most studies look at autism in those with anorexia, not the other way around. However, what is known is that there is not only higher levels of ASD traits in girls with anorexia, about 10% of girls with anorexia also have an autism diagnosis. This number can only be trusted if you look at both standardized observation instruments AND parental report. Studies determining the rates of eating disorders in autism are desperately needed for better treatment of symptoms.