Acne in Children Acne is a disorder of the hair follicles and sebaceous glands. With acne, the sebaceous glands are clogged, which leads to pimples and cysts. Major Depression in Adolescents Depression is a mood disorder that involves a adolescent's body, mood, and thoughts. It can affect and disrupt eating, sleeping, or thinking patterns. Bulimia Nervosa in Adolescents Bulimia nervosa is defined as uncontrolled episodes of overeating (bingeing) usually followed by self-induced vomiting, misuse of laxatives, enemas, or medications in an attempt to control weight. Obesity in Adolescents Children who are inactive—spending time watching TV or sitting at a computer—are at higher risk for obesity, especially when their diet contains lots of high-calorie foods and beverages. Teens and Prescription Drugs Many young people take prescription drugs because they believe they are safer than street drugs, but they can be just as dangerous if taken improperly. Adjustment Disorders Adjustment disorders are quite common in children and teens. They are characterized by an excessive reaction to stress. Anorexia Nervosa in Children Anorexia nervosa (AN) is eating disorder that is a form of self-starvation. A child or teen with AN has abnormally low body weight, a distorted body image, and an intense fear of gaining weight.