If an adolescent has a parent or a sibling who has been diagnosed with an eating disorder, that adolescent is more likely to also develop an eating disorder. It is because of this that some scientists are convinced that there is a genetic link between people likely to develop an eating disorder. Moreover, some evidence exists to suggest that serotonin, which is a normal brain chemical, has the ability to influence eating behaviors (Lask & Waugh 64), which can lead to the development of eating disorders.The symptoms of eating disorders vary between each disorder, though they do have some similar symptoms. The most common symptoms associated with eating disorders include the adolescent being obsessed with their weight, depression or other mood disorders, a preoccupation with food, and negative self-image. Symptoms associated with anorexia nervosa include denying hunger, excessive exercising, dizziness, abdominal pain, and menstrual irregularities or amenorrhea, which is a complete loss of menstruation. Symptoms linked to bulimia nervosa are excessive exercising, self-induced vomiting, going to the bathroom after eating a snack or meal, damaged teeth, and sores in and around the mouth and throat. Adolescents and Eating Disorders.
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