What to consider when dealing with plumbing in a new bathroom. Learn how to add a bathroom to your home, including plumbing and drainage tips with this free home improvement video. Expert: Dave Pollack. Bio: Dave Pollack owns Dave's Handyman service in Cottonwood, Arizona.
Like TLomon mentioned the tobacco industry is part of a well known conspiracy of the past. The tobacco industry was behind a PR campaign that counteracted scientific evidence which linked cigarette smoking to lung cancer.
The fact of the matter is that it only takes one cigarette to cause lung cancer. I'll try to clarify this statement without going too much into technical detail. All kinds of cancer are caused by mutations in your body's DNA. All it takes is one mutation at the right spot for cancer to develop. Cigarette smoke contains many substances, such as a radioactive component called polonium 21, that can cause the mutations leading to lung cancer.