It is eating discorder characterized by binge eating and consuming a large amount of food in short time and after taking food persons try to get rid of one of consumed food, by vomiting taking a laxative or excessive exercise to reduce weight. Two causes to Bulimai Nervosa.
(1). Purging Type - Individual which has this type of vomit (self induced), a use of laxatives or diuretics (water pills) to avoid gaining weight from binge.
(2). Non purging type - Individual engages self in regular fasting or excessive exercise.
(i) Abnormal levels of Hormones
(ii) Dietary.