i had had 2 pituitary tumors . i had gamma knife in 2010 nad did shrink my tumor. my labs are low/normal so i get dismissed . my hair is falling out so much... my symptoms are hair falling out,,staying so tired ,,gained 45pnds alot of the weight in stomache ,,heat makes me sick,,dry skin and getting dizzy ,,i have brain freeze . i have lost 1/2 my hair and my kids has to pick my hair off my clothes ..could i have thyroid problems even thow my labs are low normal?