question: Hi, im 18 years old female my height is 5ft.5, Ive lost allot of weight in 2 years from being 12 stone going down to 7.5 stone , i think i have an eating disorder , i used to only eat 200 carlories a day but recently over the last year ive ate and ate untill ive been sick , i make myself sick about 7-10 times a day and i cant stop , recently my breathing and under my ribcage hurts allot and ive been to the bathroom and found blood in my stools , is this anything to worry about or cause for concern ?!