title: Smokers are more likely to quit as smoking prevalence decreases, study shows.
authors.affiliation: London.
authors.forename: Susan
authors.initials: S
authors.lastname: Mayor
mesh_terms: D005060:Europe / Q000453:epidemiology; D015438:Health Behavior; D006801:Humans; D015995:Prevalence; D012907:Smoking / Q000453:epidemiology*; D016540:Smoking Cessation / Q000379:methods / Q000523:psychology*; D014481:United States / Q000453:epidemiology