Eating disorders and schizophrenia co-occur in families

Most risk for schizophrenia and eating disorders is from genetic sources. Individuals with anorexia nervosa (AN) or other types of eating disorders (OED) were at increased risk for having schizophrenia, and relatives of individuals with eating disorders were also more likely to be diagnosed with schizophrenia. In general, the magnitude of risk decreased as genetic relatedness decreased. Thus, familial factors seem to contribute to the association between eating disorders and schizophrenia