6. Bulimia Nervosa

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One of the most-recognized eating disorders of the group, bulimia nervosa involves a vicious cycle of binging and purging, which essentially means that sufferers will eat to excess, and then force themselves to vomit in order to avoid gaining weight. Other methods are sometimes employed to facilitate the “purge,” including diuretic medications and enemas. They are also very well aware that their eating habits are not in line with the norm, and will often do whatever is needed to keep their condition hidden from others.