title: The facts are clear.
authors.affiliation: Department of Medicine, University of California San Francisco, San Francisco, CA, USA. Steve.Schroeder@ucsf.edu.
authors.forename: Steve
authors.initials: S
authors.lastname: Schroeder
authors.affiliation: Philip R. Lee Institute for Health Policy Studies, University of California San Francisco, San Francisco, CA, USA.
authors.forename: Joseph
authors.initials: J
authors.lastname: Guydish
mesh_terms: D000437:Alcoholism; D006801:Humans; D012907:Smoking; D016540:Smoking Cessation; D019966:Substance-Related Disorders; D014029:Tobacco Use Disorder
keywords: Alcohol; class; smoking; smoking cessation; substance abuse