Final answer:
About 75% of those diagnosed with eating disorders are female. Females between the ages of 15 and 19 are most at risk for developing eating disorders.
Step-by-step explanation:
Eating disorders are mental health disorders defined by abnormal eating habits that adversely affect health. They generally begin by young adulthood and are much more common in females than males. According to the provided information, about 75% of those diagnosed with eating disorders are female. Research indicates that females between the ages of 15 and 19 are most at risk for developing eating disorders, particularly anorexia and bulimia nervosa.