For months now my legs have beenburning....from top to bottom...so much ican't even sleep, can't sit through my college class's it hurts so bad its like my legs have rubber bands wrapped aorund them they feel so tight and just burn so bad i've been to doctor after doctor and am always told its anxiety...well ya i have anxiety from being in pain all the time...its always worse when i'm sitting or laying down...still hurts when i'm up but not as bad......any suggestions on what this could be? I HAVE tingling in my arm sometimes, tingling throughout my legs...uggg