White patches on the tongue of a tobacco user could be a sign the person is at risk of developing cancer. In some cases, a white tongue can be treated by practicing good oral hygiene. Many conditions causing white tongue can be easily treated with good oral hygiene or avoiding tobacco.hite patches on the tongue of a tobacco user could be a sign the person is at risk of developing cancer. In some cases, a white tongue can be treated by practicing good oral hygiene. Many conditions causing white tongue can be easily treated with good oral hygiene or avoiding tobacco.
Copying a spell only counts as casting it if the spell or ability that copies it specifically says it is to be treated as if it were cast. In general a spell counts as being cast only when it is cast from your hand or the spell or ability allowing you to utilize it specifically uses the terminology cast.
As more people jumped on the rune essence bandwagon, the prices dropped. With fletching, this is impossible, because you are not selling to other players. You are casting a magic spell that gives the same amount of money no matter how many people do it, and no matter how messed up the RuneScape economy is.