b'Both anorexia nervosa and bulimia nervosa involve a significant disturbance in the perception of body shape and weight, which leads to an abnormal or obsessive relationship with food, exercise and self-image. Eating disorders sometimes begin with dieting as part of training or preparation for athletic competitions. . Anorexia nervosa is characterized by the refusal to maintain minimally normal weight for age and height (weight less than 85 percent expected), an intense fear of gaining weight, a denial of the seriousness of the current low body weight, and amenorrhea in women. Bulimia nervosa is characterized by recurrent episodes of binge eating followed by inappropriate behaviors to prevent weight gain, such as self-induced vomiting, misuse of laxatives, diuretics, and enemas, fasting and/or excessive exercise. Other students with eating disorders include restrictive eaters and those with disturbed body image who exercise excessively and take weight loss supplements. Depression, anxiety and substance abuse often accompany eating disorders. Some students with eating disorders also practice self-injury or consider suicide. In more serious situations, for example if a students eating disorder jeopardizes his/her physical and emotional health, the student may need to leave school and enter intensive treatment. Some of the symptoms associated with eating disorders are significant weight loss, the inability toMental Health Concerns202'