my male friend 17 years old... week ago.... just from nothing he start trow up.. he didnt fell well and his mother took him to hospital... now he cant eat anything... bcz if he eat after 10 min he trow all up....even if he drink water... at the hospital did all test but didnt found anything... they cheak his blod presure, sugar .... they cheak him for everything.. but they didnt found anything...and he is felling OK ... he didnt fell any pain in stomack or anywere alse... hes just fine... but when he try to eat... he trow up...doctors says that they ll do some full scans... Plz if someone know what can this be.. and how to help to my friend... plz answer as soon as posible... Thank you