"According to the American Lung Association http://www.lung.org/stop-smoking/about-smoking/facts-figures/general-smoking-facts.html 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" . . . . .