Posted by MoparNorm on Saturday, December 20, 2003 at 9:30AM :
In Reply to: Granddad and uncle bunker posted by David Sheman on Wednesday, December 17, 2003 at 9:07PM :
I think you just hit on the true culprit. Smoking combined with just about anything is bad, whether it's asbestos, gypsum, concrete dust or air.
MN