The role of zinc in anorexia nervosa: etiology and treatment.

Zinc deficiency may play a role in the etiology of anorexia nervosa. The symptoms of anorexia nervosa and zinc deficiency are similar in a number of respects, e.g., weight loss, loss of appetite, amenorrhea in females, impotence in males, nausea and skin lesions. In both conditions females under 25 are most at risk. Stress, estrogen and dietary habits may also be involved in the complex of factors which create or exacerbate a zinc deficiency and result in anorexia nervosa. It is proposed that effectiveness in the treatment of anorexia nervosa.