Cigarette smoking rate stabilizes after years of decrease.
D000293:Adolescent; D000328:Adult; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D015995:Prevalence; D012907:Smoking / Q000453:epidemiology* / Q000208:ethnology; D014481:United States / Q000453:epidemiology