>Rachel Scott in Muscle And Blood tells of a town (I think in Idaho)
>which depended for its livelihood on a silver mine. The silver was
>heavily intermixed with lead, and there was so much lead in the air that
>some townspeople (even many who did not work in the mine) had blue lines
>in their teeth. Everyone was more or less ignoring the danger. If what
>allows you to live is killing you, and there does not seem to be an
>alternative, it makes sense to ignore it.
Depends on what you mean by "makes sense," doesn't it?
Doug