Anorexia nervosa is a condition when a person starves to obtain severe weight loss and is preoccupied by body shape and the intense desire of thinness. Anorexics believe they are overweight, therefore they starve themselves into a emaciated state. Anorexics put themselves in the danger of starvation because they are afraid of becoming obese and refuse to maintain a healthy weight. Anorexia is mostly common in teenagers, affecting up to 3 in 100 adolescents. Anorexia is a life threatening eating disorder that may cause death due to starvation, heart failure, electrolyte imbalance or suicide.