title: Tobacco: what is it and why do people continue to use it?
authors.affiliation: US Army, USA.
authors.forename: Paul C
authors.initials: PC
authors.lastname: Lewis
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006293:Health Promotion; D006801:Humans; D008297:Male; D015995:Prevalence; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects / Q000208:ethnology / Q000523:psychology; D016540:Smoking Cessation; D000074606:Smoking Prevention; D014030:Tobacco, Smokeless / Q000737:chemistry; D014481:United States / Q000453:epidemiology