Since about 1960, most Westernized countries have experienced a dramatic
a. decrease in the incidence of anorexia nervosa and bulimia nervosa.
b. increase in the incidence of anorexia nervosa and bulimia nervosa.
c. increase in the incidence of anorexia nervosa but a decrease in the incidence of bulimia nervosa.
d. increase in the incidence of bulimia nervosa but no change in the rate of anorexia nervosa.

The correct answer is B. Increase in the incidence of anorexia nervosa and bulimia nervosa.

Explanation:

Both anorexia nervosa and bulimia nervosa are eating disorders that involve unhealthy habits such as restricting food intake or inducing oneself to vomit after eating. These habits aim at making the individual thin, although in most cases individuals suffering from these disorders are underweight and unhealthy even to the point their lives are at risk.

Besides this, the incidence of these eating disorders has increased over time; indeed, in westernized countries anorexia nervosa and bulimia nervosa increase in incidence since 1960. This is explained because one of the factors that contribute to the development of both disorders is cultural ideas about thinness, and since 1960 the idea of being thin has increased in importance which is supported in media by mainly including actors or models that are unrealistically thin. Also, since the 1960s there has been an emphasis on body image, healthy weight, and diets.

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