My friend may have an eatind disorder.....Idk wut 2 do???She is only 14 years old...everytime she eats she purges or she will starve,She sometimes binges,but she says her stomach kills her all the time she is cold alot,she lost 5lbs she has been like this 4 4months.....her knees tingle is what she says....Does she have an eating disorder?And if so what is it called?Is she underweight,she weighs 95lbs and she is 5'0???Does she have an eating disorder?