Final answer:
Anorexia nervosa is an eating disorder characterized by maintaining a body weight well below average through starvation and excessive exercise. Individuals suffering from anorexia can drop varying percentages of weight in a given year. Estimates of the prevalence of anorexia nervosa generally range from just under one percent to just over four percent in women.
Step-by-step explanation:
Anorexia nervosa is an eating disorder characterized by maintaining a body weight well below average through starvation and excessive exercise. The percentage of weight that individuals suffering from anorexia can drop in a given year as a result of this pathology can vary. Estimates of the prevalence of anorexia nervosa generally range from just under one percent to just over four percent in women. Prevalence rates are considerably lower for men.