| http://www.w3.org/ns/prov#value | - In the United States, it is well recognized that cigarette smoking is a major cause of preventable morbidity and mortality, with numerous pharmacologic and nonpharmacologic therapies available.1 Smoking is the primary causal risk factor for at least 30% of all cancer deaths and for about 80% of deaths from pulmonary disease and for early cardiovascular disease.1 According to the 2010 Surgeon Gener
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