According to the American Lung Association <a href="http://www.lung.org/stop-smoking/about-smoking/facts-figures/general-smoking-facts.html">http://www.lung.org/stop-smoking/about-smoking/facts-figures/general-smoking-facts.html</a> about ???8.6 million people in the U.S. have at least one serious illness caused by smoking.??? Studies have shown that smoking tobacco may lead to a variety of diseases and medical conditions, including chronic obstructive pulmonary disease, coronary heart disease, st