Every Puff You Take

What is it in cigarette smoke that causes lung cancer? Tar? PNAHs? Exotic isotopes? What about bacteria and fungi? What if they're in part responsible for chronic inflammation associated with lung cancer? It turns out that when you inhale cigarette smoke you invite into your lungs a swarm of nasty germs. Here's a new article that'll introduce you to the issue and lay out the evidence.

Wouldn't it be interesting if there were similar microbes living in and on asbestos fibers? Actually ....