Answer :
Answer:
Some of the most convincing evidence that helps to explain the observed increase in the incidence of anorexia nervosa and bulimia nervosa over the past half century is "concurrent increases in the rate of depression."
Explanation:
For us to be able to understand this question and its answer we need to define the key terms involved;
Anorexia nervosa and bulimia nervosa these are simply eating disorder. people tend to have eating disorder when they are always depressed.