Which of the following statements is true of the cultural differences in feeding and eating disorders? Group of answer choices The incidence of anorexia nervosa was stable between 1930 and 1970, but has risen significantly since then. Since 1990, the prevalence of bulimia nervosa has increased dramatically in the United States, Europe, and Australia. The prevalence of bulimia nervosa has decreased significantly in the second half of the twentieth century. A meta-analysis found that bulimia nervosa is considerably more common in Westernized cultures than in non-Westernized cultures.