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.
Cigarette smoking. Cigarette smoking is the leading cause of lung cancer, accounting for about 85% of lung cancers. Risk for lung cancer increases with the duration, intensity and depth of smoke inhalation. Second-hand (passive) smoking also causes lung cancer, but is less strongly associated compared to active smoking.