There is substantial medical evidence showing the deadly consequences of tobacco use and exposure (MacDonald 2000). Large-population studies hint that about half of the long term smokers will eventually die from their excessive tobacco use. The Surgeon General of U.S. released a report characterizing the dangers of smoking in 1964. Since then, the report of the Surgeon General document conclusive evidence relating the epidemiological, biological, pharmacological, and behavioral effects of tobacco use. The 30th report on the subject lists some of the fundamental behavioral and biological mechanisms ...