hi i have for about a year now had headaches everyday, am constantly feel sick i drink soooo much fluids and seem to be losing my eye sight i am always dizzy and keep falling over and i have now started to get bad chest pain, does anybody have any idea what is wrong with me, i have seen specialist and they havent a clue had mri and i have been told i have a small Pituitary tumor but that this is not affecting my vistion as it is toooo small!!!!!!!!! so confused please if anyone could help !!!!! any advice