>BTW, in my faith, use of both alcohol and drugs are strictly forbidden.

Alcohol is a drug. There's no way around that.

>Our Holy Writings speak up against tobacco, too, although the prohibition is not strict (the reason, pressumably, is what you already hinted in your message: while tobacco is very harmful for health, it doesn't immediately cause erratic behavior).

See, this to me is the opposite of what you'd expect. Ciggerette's are harmful to ones health, but herion is not. So you'd think that smoking would be illegal before herion would be.