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.
Of these cancers, it's thought that at least 80 percent can be attributed to smoking. There are many chemicals in cigarettes that are known to cause cancer and more which are considered toxic to humans. It's not only lung cancer, however. There are many cancers which are caused by smoking.