cigarettes bad for heart Smoking Can Cause Disease and Strokes, World Health Organization Video Warns Is Smoking Increasing The Risk

Lung cancer and other diseases can be genetic, caused by smoking cigarettes, and exposure to ionizing radiation, radon gas, etc

Smoking characteristics of adults with selected lifetime mental illnesses: Results from the 2007 National Health Interview Survey

Andrew Romero, the tobacco prevention specialist at Tobacco Free Alachua, said that there wasn't enough research and data from his sector yet to back up claims of whether or not e-cigarettes are harmful.WUFT also reported: With increasing number of brand differentiations and the lack of regulations, Romero said it becomes difficult to formulate a general consensus on e-cigarettes since no one really knows exactly whats in them

And you don't know why it's there, but it's there

The globalization of the tobacco industry led to increased competition, with corporations developing new products and targeting different demographics to expand their customer base