The sacrament of the Anointing of the Sick can be received by any Catholic whose health is in a critical state. [1514-1515, 1528-1529]
One can receive the Anointing of the Sick several times in one’s life. Therefore it makes sense for young people to ask for this sacrament also, if, for example, they are about to undergo a serious operation. One such occasions many Catholics combine the Anointing of the Sick with a (general) confession; in case the operation fails, they want to go to meet God with a clear conscience.
From YOUCAT, page 140-141