Gymnastics is a sport where leanness is believed to impact performance, and that relationship tends to legitimize the pursuit of thinness. It may be hard to know at what point the quest for thinness changes from a desire to perform well, to one of achieving merely the aesthetics that thinness is believed to bestow on the performer. Your sport may actually be providing a camouflage for your illness, making it acceptable to those who know you. Studies have shown that eating disorders are particularly high in thinness demanding sports where the competition is fierce. It seems that you are not alone in your arena.
Physical damage can be serious from bulimia.
Some may be irreversible, in particular, the erosion of your teeth. The vomiting can cause enamel erosion of your adult teeth, setting them up for decay and gum disease. Your menstrual cycle may become irregular, caused by a disturbance in your hormone balance. This hormone imbalance if often characterized by a decreased level of estrogen, which will increase your rick for bone fractures, since estrogen is important for the health of your bones. Gastrointestinal problems can occurs from the vomiting or the use of laxatives.