Celiac disease and anorexia nervosa are connected, but how? Photo: CC--Benjamin Watson

A new study showing connections between anorexia nervosa and celiac disease, both before and after celiac diagnosis, is raising eyebrows and inviting questions. Results of the study appear in the April 3 issue of Pediatrics.

Because the two conditions share a number of symptoms, including abdominal pain, bloating, diarrhea, and underweight, doctors can have some difficulty telling them apart.