On 24 Aug 2004 09:44:00 -0700, (mbrooks) wrote:

Did they control for smoking? I've glanced at a few of the mining
studies in USA and it would seem SMOKERS are the ones coming down with
lung disease after exposure to toxins. They've already insulted their
body's ability to clear the lungs and respiratory tract, and loaded
themselves with immune system damage.


See reply to Greg.

Geo