ירמיהו ח:כב פירוש: רש״י

Is there no balm in Gilead For balm comes from there, as it is said (infra 46:11) “Go up to Gilead and take balm.” That is to say, Did they not have any righteous men from whom to learn so that they should improve their ways?

the health of lit. the cure of, (emplatre in O.F.), plaster, dressing.