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Anorexia Nervosa (AN) essentially refers to a mental illness affecting both genders, but primarily females, whereby an individual has irregular perceptions of their body image. This causes them to develop extreme trepidation at the prospect of weight gain, dieting, starving themself, frequent exercise and calorie counting which subsequentally gives them what is known as emaciation. It requires inordinate amounts of mental and physical concentration and efforts if one wishes to conquer it, although they never really "conquer" it as it is still in them somewhere. Similarly, people with this eating disorder tend to have a very low body mass index (bmi), usually 16 or lower to the point where they may need a feeding tube. If it gets to the point where it gets below fifteen, without serious treatment, the patient will die, at least it is very feasible!