"There are. Spells of healing are, with few exceptions, drawn from the Restoration school of thought--the root ideogram translates literally as 'return to the previous state.'" Uh-oh, Jim, you've gotten an academic going on a subject he knows and likes. This could take a while.

"That, in itself, suggests some limitations. Restoration cannot allay congenital conditions. Further, there exists a threshold mortal magic cannot surpass; Restoration cannot return the dead to life, although there are spells within its purview which return the undead to their properly restful state."